Invesco Unit Trusts Taxable Income Series 450: 497J filed Sep 29, 2020

Name: Invesco Unit Trusts Taxable Income Series 450 497J (0001528621-20-002023)
Creator: Invesco Unit Trusts Taxable Income Series 450
Published: 2020-09-29

Form type: 497J
Filing date: Sep 29, 2020
Accession number: 0001528621-20-002023
Filer: Invesco Unit Trusts Taxable Income Series 450 (CIK 1547634)