Invesco Unit Trusts Taxable Income Series 537: 497J filed Mar 2, 2021

Name: Invesco Unit Trusts Taxable Income Series 537 497J (0001528621-21-000420)
Creator: Invesco Unit Trusts Taxable Income Series 537
Published: 2021-03-02

Form type: 497J
Filing date: Mar 2, 2021
Accession number: 0001528621-21-000420
Filer: Invesco Unit Trusts Taxable Income Series 537 (CIK 1608171)