Invesco Unit Trusts, Municipal Series 1331: 497J filed Jun 2, 2021

Name: Invesco Unit Trusts, Municipal Series 1331 497J (0001528621-21-000844)
Creator: Invesco Unit Trusts, Municipal Series 1331
Published: 2021-06-02

Form type: 497J
Filing date: Jun 2, 2021
Accession number: 0001528621-21-000844
Filer: Invesco Unit Trusts, Municipal Series 1331 (CIK 1689972)