Invesco Unit Trusts Taxable Income Series 537: 24F-2NT filed Dec 21, 2020

Name: Invesco Unit Trusts Taxable Income Series 537 24F-2NT (0001528621-20-002464)
Creator: Invesco Unit Trusts Taxable Income Series 537
Published: 2020-12-21

Form type: 24F-2NT
Filing date: Dec 21, 2020
Accession number: 0001528621-20-002464
Filer: Invesco Unit Trusts Taxable Income Series 537 (CIK 1608171)