Invesco Unit Trusts, Municipal Series 1331: 497J filed Jun 2, 2020

Name: Invesco Unit Trusts, Municipal Series 1331 497J (0001528621-20-001128)
Creator: Invesco Unit Trusts, Municipal Series 1331
Published: 2020-06-02

Form type: 497J
Filing date: Jun 2, 2020
Accession number: 0001528621-20-001128
Filer: Invesco Unit Trusts, Municipal Series 1331 (CIK 1689972)