Invesco Unit Trusts Taxable Income Series 641: 497J filed Jan 31, 2024

Name: Invesco Unit Trusts Taxable Income Series 641 497J (0001528621-24-000132)
Creator: Invesco Unit Trusts Taxable Income Series 641
Published: 2024-01-31

Form type: 497J
Filing date: Jan 31, 2024
Accession number: 0001528621-24-000132
Filer: Invesco Unit Trusts Taxable Income Series 641 (CIK 1686061)