Invesco Unit Trusts Taxable Income Series 642: 497J filed May 1, 2024

Name: Invesco Unit Trusts Taxable Income Series 642 497J (0001528621-24-000490)
Creator: Invesco Unit Trusts Taxable Income Series 642
Published: 2024-05-01

Form type: 497J
Filing date: May 1, 2024
Accession number: 0001528621-24-000490
Filer: Invesco Unit Trusts Taxable Income Series 642 (CIK 1686062)