Invesco Unit Trusts Taxable Income Series 554: 497J filed Jul 30, 2021

Name: Invesco Unit Trusts Taxable Income Series 554 497J (0001528621-21-001205)
Creator: Invesco Unit Trusts Taxable Income Series 554
Published: 2021-07-30

Form type: 497J
Filing date: Jul 30, 2021
Accession number: 0001528621-21-001205
Filer: Invesco Unit Trusts Taxable Income Series 554 (CIK 1658229)