Invesco Unit Trusts Taxable Income Series 509: 497J filed Nov 30, 2021

Name: Invesco Unit Trusts Taxable Income Series 509 497J (0001528621-21-001924)
Creator: Invesco Unit Trusts Taxable Income Series 509
Published: 2021-11-30

Form type: 497J
Filing date: Nov 30, 2021
Accession number: 0001528621-21-001924
Filer: Invesco Unit Trusts Taxable Income Series 509 (CIK 1608142)