Form 497J - Certification of no change in definitive materials:
SEC Accession No. 0000891804-11-002125
Filing Date
2011-05-20
Accepted
2011-05-20 10:52:52
Documents
1
Effectiveness Date
2011-05-20

Document Format Files

Seq Description Document Type Size
1 DEFINITIVE FILING vk497j.txt 497J 979
  Complete submission text file 0000891804-11-002125.txt   1854
Mailing Address ONE PARKVIEW PLAZA OAKBROOK TERRACE IL 60181
Business Address ONE PARKVIEW PLAZA OAKBROOK TERRACE IL 60181 212-652-4344
Van Kampen Unit Trusts Taxable Income Series 320 (Filer) CIK: 0001503946 (see all company filings)

EIN.: 000000000
Type: 497J | Act: 33 | File No.: 333-172340 | Film No.: 11860084