Van Kampen Unit Trusts Taxable Income Series 307: 497J filed May 31, 2023

Name: Van Kampen Unit Trusts Taxable Income Series 307 497J (0001528621-23-000876)
Creator: Van Kampen Unit Trusts Taxable Income Series 307
Published: 2023-05-31

Form type: 497J
Filing date: May 31, 2023
Accession number: 0001528621-23-000876
Filer: Van Kampen Unit Trusts Taxable Income Series 307 (CIK 1503928)