Invesco Unit Trusts Taxable Income Series 452: 497J filed Dec 29, 2021

Name: Invesco Unit Trusts Taxable Income Series 452 497J (0001528621-21-002074)
Creator: Invesco Unit Trusts Taxable Income Series 452
Published: 2021-12-29

Form type: 497J
Filing date: Dec 29, 2021
Accession number: 0001528621-21-002074
Filer: Invesco Unit Trusts Taxable Income Series 452 (CIK 1563135)