Invesco Unit Trusts Taxable Income Series 509: 497J filed Nov 28, 2023

Name: Invesco Unit Trusts Taxable Income Series 509 497J (0001528621-23-001701)
Creator: Invesco Unit Trusts Taxable Income Series 509
Published: 2023-11-28

Form type: 497J
Filing date: Nov 28, 2023
Accession number: 0001528621-23-001701
Filer: Invesco Unit Trusts Taxable Income Series 509 (CIK 1608142)