# EDGAR Filing Document

**Accession Number:** 0001246763
**File Stem:** 0001528621-26-000097
**Filing Date:** 2026-2
**Character Count:** 1887
**Document Hash:** 5dc26567d2d32596c85ea17b0fb21160
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001528621-26-000097.hdr.sgml**: 20260202

**ACCESSION NUMBER**: 0001528621-26-000097

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260202

**DATE AS OF CHANGE**: 20260202

**EFFECTIVENESS DATE**: 20260202

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** VAN KAMPEN UNIT TRUSTS TAXABLE INCOME SERIES 70
- **CENTRAL INDEX KEY:** 0001246763

**ORGANIZATION NAME:**
- **EIN:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-119051
- **FILM NUMBER:** 26586664

**BUSINESS ADDRESS:**
- **STREET 1:** 225 LIBERTY ST
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10281-1048
- **BUSINESS PHONE:** 6306846058

**MAIL ADDRESS:**
- **STREET 1:** 225 LIBERTY ST
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10281-1048

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VAN KAMPEN FOCUS PORTFOLIOS TAXABLE INCOME SERIES 70
- **DATE OF NAME CHANGE:** 20030625

[LETTERHEAD OF INVESCO CAPITAL MARKETS, INC.]

February 2, 2026

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Re: Van Kampen Unit Trusts, Taxable Income Series 70 <br> File No. 333-119051 CIK #0001246763

Ladies and Gentlemen:

In accordance with the provisions of Rule 497(j) under the Securities Act of 1933 (the "Securities Act") this letter serves to certify that the most recent post-effective amendment to the registration statement on Form S-6 for the above captioned Trust does not differ from that which would have been filed pursuant to Rule 497(b) of the Securities Act. The most recent post-effective amendment to the registration statement was filed electronically with the Commission on January 26, 2026.

Very truly yours,

/s/ Tara Baker

Tara Baker<br> Vice President, Business<br> Operations and Quality Assurance

Invesco Capital Markets, Inc.