X0101 EFFECT 33 LIVE 2020-02-21 09:00:00

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0000774013 BLACKROCK MULTI STATE MUNICIPAL SERIES TRUST 333-235834 0000774013 BLACKROCK MULTI STATE MUNICIPAL SERIES TRUST S000004034 BlackRock New York Municipal Opportunities Fund C000038358 Investor A 0001232863 BLACKROCK MUNI NEW YORK INTERMEDIATE DURATION FUND, INC.