Invesco Unit Trusts Taxable Income Series 543: 485BPOS filed May 27, 2021

Name: Invesco Unit Trusts Taxable Income Series 543 485BPOS (0001528621-21-000831)
Creator: Invesco Unit Trusts Taxable Income Series 543
Published: 2021-05-27

Form type: 485BPOS
Filing date: May 27, 2021
Accession number: 0001528621-21-000831
Filer: Invesco Unit Trusts Taxable Income Series 543 (CIK 1608177)