Invesco Unit Trusts Taxable Income Series 537: 497J filed Feb 28, 2020

Name: Invesco Unit Trusts Taxable Income Series 537 497J (0001528621-20-000562)
Creator: Invesco Unit Trusts Taxable Income Series 537
Published: 2020-02-28

Form type: 497J
Filing date: Feb 28, 2020
Accession number: 0001528621-20-000562
Filer: Invesco Unit Trusts Taxable Income Series 537 (CIK 1608171)