Invesco Unit Trusts Taxable Income Series 473: 497J filed Nov 30, 2021

Name: Invesco Unit Trusts Taxable Income Series 473 497J (0001528621-21-001922)
Creator: Invesco Unit Trusts Taxable Income Series 473
Published: 2021-11-30

Form type: 497J
Filing date: Nov 30, 2021
Accession number: 0001528621-21-001922
Filer: Invesco Unit Trusts Taxable Income Series 473 (CIK 1563155)