Invesco Unit Trusts Taxable Income Series 452: 497J filed Dec 26, 2018

Name: Invesco Unit Trusts Taxable Income Series 452 497J (0001528621-18-003281)
Creator: Invesco Unit Trusts Taxable Income Series 452
Published: 2018-12-26

Form type: 497J
Filing date: Dec 26, 2018
Accession number: 0001528621-18-003281
Filer: Invesco Unit Trusts Taxable Income Series 452 (CIK 1563135)