VOYAGEUR MUTUAL FUNDS
Related Filers (40)
- VOYAGEUR INSURED FUNDS (248)
- VOYAGEUR TAX FREE FUNDS (241)
- VOYAGEUR INTERMEDIATE TAX FREE FUNDS (232)
- VOYAGEUR MUTUAL FUNDS II (229)
- DELAWARE GROUP TAX FREE FUND (198)
- DELAWARE GROUP STATE TAX-FREE INCOME TRUST (149)
- DELAWARE GROUP INCOME FUNDS (135)
- VOYAGEUR MUTUAL FUNDS III (130)
- DELAWARE GROUP GLOBAL & INTERNATIONAL FUNDS (129)
- DELAWARE GROUP ADVISER FUNDS (127)
- DELAWARE GROUP GOVERNMENT FUND (127)
- DELAWARE POOLED TRUST (126)
- DELAWARE GROUP EQUITY FUNDS II (125)
- DELAWARE GROUP EQUITY FUNDS V (125)
- DELAWARE GROUP EQUITY FUNDS IV (125)
- DELAWARE GROUP LIMITED-TERM GOVERNMENT FUNDS (124)
- DELAWARE GROUP FOUNDATION FUNDS (123)
- DELAWARE GROUP EQUITY FUNDS I (120)
- DELAWARE INVESTMENTS MUNICIPAL TRUST (115)
- DELAWARE GROUP CASH RESERVE (109)
- DELAWARE VIP TRUST (60)
- DELAWARE GROUP EQUITY FUNDS III (55)
- DELAWARE GROUP TAX FREE MONEY FUND (44)
- Delaware Investments Colorado Municipal Income Fund, Inc. (23)
- Delaware Enhanced Global Dividend & Income Fund (23)
- DELAWARE INVESTMENTS MINNESOTA MUNICIPAL INCOME FUND II, INC (23)
- DELAWARE INVESTMENTS DIVIDEND & INCOME FUND, INC (23)
- Delaware Investments National Municipal Income Fund (23)
- VOYAGEUR INVESTMENT TRUST II (17)
- VOYAGEUR FUNDS (13)
- DELAWARE INVESTMENTS GLOBAL DIVIDEND & INCOME FUND, INC (9)
- DELAWARE INVESTMENTS ARIZONA MUNICIPAL INCOME FUND, INC (8)
- IVY FUNDS (8)
- OPTIMUM FUND TRUST (7)
- Delaware Management Co (6)
- Ivy Variable Insurance Portfolios (4)
- VAM INSTITUTIONAL FUNDS INC (2)
- DELAWARE MANAGEMENT BUSINESS TRUST (2)
- DELAWARE DISTRIBUTORS LP (2)
- Delaware Ivy High Income Opportunities Fund (2)
- Show More ...
Other (814)
NPORT-P
Friday, 1/26/2024
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 1/26/2024
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 1/26/2024
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 1/26/2024
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 1/26/2024
Monthly Portfolio Investments Report on Form N-PORT (Public)
497K
Wednesday, 1/17/2024
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Wednesday, 1/17/2024
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497
Wednesday, 1/17/2024
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497K
Wednesday, 1/17/2024
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Wednesday, 1/17/2024
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Wednesday, 1/17/2024
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497J
Thursday, 1/4/2024
Certification of no change in definitive materials under paragraph (j) of Securities Act Rule 497
497K
Friday, 12/29/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Friday, 12/29/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Friday, 12/29/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Friday, 12/29/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Friday, 12/29/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
485BPOS
Thursday, 12/28/2023
Post-effective amendment filed pursuant to Securities Act Rule 485(b) (this filing cannot be submitted as a 1940 Act only filing)
40-17G
Thursday, 11/30/2023
Fidelity bond filed pursuant to Rule 17g1(g)(1) of the Investment Company Act of 1940
24F-2NT
Thursday, 11/16/2023
Rule 24F-2 notice filed on Form 24F-2
N-CEN
Wednesday, 11/8/2023
Annual Report for Registered Investment Companies
N-CSR
Friday, 11/3/2023
Certified annual shareholder report of registered management investment companies filed on Form N-CSR
NPORT-P
Friday, 10/27/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 10/27/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 10/27/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 10/27/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 10/27/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
497K
Wednesday, 10/25/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Wednesday, 10/25/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497
Wednesday, 10/25/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497K
Wednesday, 10/25/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Wednesday, 10/25/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Wednesday, 10/25/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497
Thursday, 9/28/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
N-PX
Thursday, 8/31/2023
Annual Report of Proxy Voting Record of Registered Management Investment Companies filed on Form N-PX
NPORT-P
Wednesday, 7/26/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 7/26/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 7/26/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 7/26/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 7/26/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
497K
Wednesday, 5/31/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Wednesday, 5/31/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Wednesday, 5/31/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497
Wednesday, 5/31/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497K
Wednesday, 5/31/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497
Wednesday, 5/31/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497K
Wednesday, 5/31/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
EFFECT
Wednesday, 5/3/2023
Notice of Effectiveness
497
Wednesday, 5/3/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
N-14/A
Monday, 5/1/2023
Initial registration statement filed on Form N14 for open-end investment company, including those filed with automatic effectiveness under Rule 488 (business combinations)
N-CSRS
Friday, 4/28/2023
Certified semi-annual shareholder report of registered management investment companies filed on Form N-CSR
CORRESP
Monday, 4/24/2023
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
NPORT-P
Monday, 4/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Monday, 4/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Monday, 4/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Monday, 4/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Monday, 4/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
DEL AM
Thursday, 3/30/2023
Separately filed delaying amendment under Securities Act Rule 473 to delay effectiveness of a 1933 Act registration statement
N-14
Thursday, 3/9/2023
Initial registration statement filed on Form N14 for open-end investment company, including those filed with automatic effectiveness under Rule 488 (business combinations)
497K
Thursday, 2/23/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497
Thursday, 2/23/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497K
Thursday, 2/23/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 2/23/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 2/23/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 2/23/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
NPORT-P
Thursday, 1/26/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 1/26/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 1/26/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 1/26/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 1/26/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
497K
Friday, 12/30/2022
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 12/29/2022
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 12/29/2022
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497J
Thursday, 12/29/2022
Certification of no change in definitive materials under paragraph (j) of Securities Act Rule 497
497K
Thursday, 12/29/2022
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 12/29/2022
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
485BPOS
Wednesday, 12/28/2022
Post-effective amendment filed pursuant to Securities Act Rule 485(b) (this filing cannot be submitted as a 1940 Act only filing)
497
Friday, 12/16/2022
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
40-17G
Wednesday, 11/16/2022
Fidelity bond filed pursuant to Rule 17g1(g)(1) of the Investment Company Act of 1940
N-CEN
Wednesday, 11/9/2022
Annual Report for Registered Investment Companies
N-CSR
Friday, 11/4/2022
Certified annual shareholder report of registered management investment companies filed on Form N-CSR
NPORT-P
Thursday, 10/27/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 10/27/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 10/27/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 10/27/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 10/27/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
N-PX
Monday, 8/29/2022
Annual Report of Proxy Voting Record of Registered Management Investment Companies filed on Form N-PX
497
Friday, 8/19/2022
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497
Friday, 7/29/2022
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
NPORT-P
Wednesday, 7/27/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 7/27/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 7/27/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 7/27/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 7/27/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
497
Friday, 5/20/2022
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
N-CSRS
Friday, 5/6/2022
Certified semi-annual shareholder report of registered management investment companies filed on Form N-CSR
NPORT-P
Thursday, 4/21/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 4/21/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 4/21/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 4/21/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
Prospectus (1)
425
Monday, 4/23/2001
Filing under Securities Act Rule 425 of certain prospectuses and communications in connection with business combination transactions
Proxies (39)
DEF 14A
Friday, 10/22/2021
Definitive proxy statements
DEFA14A
Monday, 4/23/2018
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Monday, 4/9/2018
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Wednesday, 4/4/2018
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Friday, 3/23/2018
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Friday, 3/9/2018
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Friday, 2/2/2018
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Thursday, 2/1/2018
Definitive proxy statements
PRE 14A
Wednesday, 1/17/2018
Preliminary proxy statement not related to a contested matter or merger/acquisition
DEFA14A
Tuesday, 5/12/2015
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Wednesday, 4/22/2015
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Thursday, 4/2/2015
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Wednesday, 3/11/2015
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Monday, 3/9/2015
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Wednesday, 2/25/2015
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Wednesday, 2/25/2015
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Friday, 2/20/2015
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Friday, 2/20/2015
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Thursday, 2/19/2015
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Wednesday, 2/4/2015
Definitive proxy statements
PRE 14A
Thursday, 1/15/2015
Preliminary proxy statement not related to a contested matter or merger/acquisition
DEFA14A
Tuesday, 12/1/2009
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Thursday, 11/19/2009
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Tuesday, 11/17/2009
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Tuesday, 10/20/2009
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Friday, 10/16/2009
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Wednesday, 9/30/2009
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Monday, 9/28/2009
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Friday, 9/25/2009
Definitive proxy statements
DEFA14A
Friday, 9/25/2009
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
PRE 14A
Friday, 9/4/2009
Preliminary proxy statement not related to a contested matter or merger/acquisition
DEFR14A
Friday, 1/28/2005
Definitive revised proxy soliciting materials
DEF 14A
Wednesday, 1/19/2005
Definitive proxy statements
PRE 14A
Monday, 12/20/2004
Preliminary proxy statement not related to a contested matter or merger/acquisition
DEF 14A
Wednesday, 2/10/1999
Definitive proxy statements
PRE 14A
Tuesday, 1/12/1999
Preliminary proxy statement not related to a contested matter or merger/acquisition
DEFA14A
Thursday, 4/3/1997
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFM14A
Wednesday, 2/26/1997
Definitive proxy statement relating to a merger, acquisition, or disposition
PRE 14A
Tuesday, 2/11/1997
Preliminary proxy statement not related to a contested matter or merger/acquisition