Invesco Unit Trusts Taxable Income Series 501: 497J filed Aug 31, 2021

Name: Invesco Unit Trusts Taxable Income Series 501 497J (0001528621-21-001410)
Creator: Invesco Unit Trusts Taxable Income Series 501
Published: 2021-08-31

Form type: 497J
Filing date: Aug 31, 2021
Accession number: 0001528621-21-001410
Filer: Invesco Unit Trusts Taxable Income Series 501 (CIK 1608136)