CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND
Filing Type: N-CEN
Filing Date: 20220113
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N-CEN
CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND INTERNAL CONTROL 10.31.21
INTERNAL CONTROL RPT
CHI BY LAWS MRPS ISSUANCE AUG 23 2021
MATERIAL AMENDMENTS
CHI G 1 B II
INST DEFINING RIGHTS
CHI G 1 B IV
ITEM 405 REG S-K
CHI DECLARATION OF TRUST 082321
MATERIAL AMENDMENTS