Invesco Unit Trusts Taxable Income Series 524: 497J filed Dec 29, 2021

Name: Invesco Unit Trusts Taxable Income Series 524 497J (0001528621-21-002076)
Creator: Invesco Unit Trusts Taxable Income Series 524
Published: 2021-12-29

Form type: 497J
Filing date: Dec 29, 2021
Accession number: 0001528621-21-002076
Filer: Invesco Unit Trusts Taxable Income Series 524 (CIK 1608158)