Invesco Unit Trusts Taxable Income Series 431: 497J filed May 3, 2022

Name: Invesco Unit Trusts Taxable Income Series 431 497J (0001528621-22-000698)
Creator: Invesco Unit Trusts Taxable Income Series 431
Published: 2022-05-03

Form type: 497J
Filing date: May 3, 2022
Accession number: 0001528621-22-000698
Filer: Invesco Unit Trusts Taxable Income Series 431 (CIK 1547607)