Invesco Unit Trusts Taxable Income Series 543: 497J filed May 31, 2023

Name: Invesco Unit Trusts Taxable Income Series 543 497J (0001528621-23-000887)
Creator: Invesco Unit Trusts Taxable Income Series 543
Published: 2023-05-31

Form type: 497J
Filing date: May 31, 2023
Accession number: 0001528621-23-000887
Filer: Invesco Unit Trusts Taxable Income Series 543 (CIK 1608177)