Invesco Unit Trusts Taxable Income Series 537: 497J filed Feb 28, 2019

Name: Invesco Unit Trusts Taxable Income Series 537 497J (0001528621-19-000640)
Creator: Invesco Unit Trusts Taxable Income Series 537
Published: 2019-02-28

Form type: 497J
Filing date: Feb 28, 2019
Accession number: 0001528621-19-000640
Filer: Invesco Unit Trusts Taxable Income Series 537 (CIK 1608171)