Invesco Unit Trusts Taxable Income Series 537: 24F-2NT filed Dec 19, 2019

Name: Invesco Unit Trusts Taxable Income Series 537 24F-2NT (0001528621-19-002962)
Creator: Invesco Unit Trusts Taxable Income Series 537
Published: 2019-12-19

Form type: 24F-2NT
Filing date: Dec 19, 2019
Accession number: 0001528621-19-002962
Filer: Invesco Unit Trusts Taxable Income Series 537 (CIK 1608171)