Invesco Unit Trusts, Municipal Series 1331: 485BPOS filed May 26, 2022

Name: Invesco Unit Trusts, Municipal Series 1331 485BPOS (0001528621-22-000802)
Creator: Invesco Unit Trusts, Municipal Series 1331
Published: 2022-05-26

Form type: 485BPOS
Filing date: May 26, 2022
Accession number: 0001528621-22-000802
Filer: Invesco Unit Trusts, Municipal Series 1331 (CIK 1689972)