Invesco Unit Trusts Taxable Income Series 457: 497J filed Jan 28, 2022

Name: Invesco Unit Trusts Taxable Income Series 457 497J (0001528621-22-000177)
Creator: Invesco Unit Trusts Taxable Income Series 457
Published: 2022-01-28

Form type: 497J
Filing date: Jan 28, 2022
Accession number: 0001528621-22-000177
Filer: Invesco Unit Trusts Taxable Income Series 457 (CIK 1563140)