Invesco Unit Trusts, Municipal Series 1331: 485BPOS filed May 28, 2020

Name: Invesco Unit Trusts, Municipal Series 1331 485BPOS (0001528621-20-001076)
Creator: Invesco Unit Trusts, Municipal Series 1331
Published: 2020-05-28

Form type: 485BPOS
Filing date: May 28, 2020
Accession number: 0001528621-20-001076
Filer: Invesco Unit Trusts, Municipal Series 1331 (CIK 1689972)