Invesco Unit Trusts Taxable Income Series 450: 497J filed Oct 1, 2019

Name: Invesco Unit Trusts Taxable Income Series 450 497J (0001528621-19-002379)
Creator: Invesco Unit Trusts Taxable Income Series 450
Published: 2019-10-01

Form type: 497J
Filing date: Oct 1, 2019
Accession number: 0001528621-19-002379
Filer: Invesco Unit Trusts Taxable Income Series 450 (CIK 1547634)