Invesco Unit Trusts Taxable Income Series 454: 497J filed Dec 29, 2021

Name: Invesco Unit Trusts Taxable Income Series 454 497J (0001528621-21-002075)
Creator: Invesco Unit Trusts Taxable Income Series 454
Published: 2021-12-29

Form type: 497J
Filing date: Dec 29, 2021
Accession number: 0001528621-21-002075
Filer: Invesco Unit Trusts Taxable Income Series 454 (CIK 1563137)