Invesco Unit Trusts Taxable Income Series 452: 497J filed Dec 28, 2020

Name: Invesco Unit Trusts Taxable Income Series 452 497J (0001528621-20-002561)
Creator: Invesco Unit Trusts Taxable Income Series 452
Published: 2020-12-28

Form type: 497J
Filing date: Dec 28, 2020
Accession number: 0001528621-20-002561
Filer: Invesco Unit Trusts Taxable Income Series 452 (CIK 1563135)