Guidance

Animal waste undertakings

Released in 2026: These undertakings required Prosper de Mulder and William Forrest and Son to provide price transparency for their customers.

• From: Competition and Markets Authority
• Published: 1 February 1993
• Last updated: 4 November 2026 — See all updates

Documents

Notice of release of Undertakings

PDF, 121 KB, 4 pages

Prosper de Mulder undertakings (released in 2026)

PDF, 82.6 KB, 5 pages

This file may not be suitable for users of assistive technology.

Request an accessible format

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email general.enquiries@cma.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

William Forrest and Son undertakings (released in 2026)

PDF, 88 KB, 2 pages

This file may not be suitable for users of assistive technology.

Request an accessible format

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email general.enquiries@cma.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

Undertakings released

4 November 2026: The Competition and Markets Authority (CMA) published the final decision in its review of the undertakings. The undertakings have now been released (are no longer in force) and have been removed from the register of remedies in force.

Undertakings description

These undertakings were given under the monopoly provisions of the Fair Trading Act 1973. They required Prosper de Mulder and William Forrest and Son to publish, in the Meat Trades Journal, details of prices paid to (or charges made for collection from) abattoirs for various grades of animal waste.

A full set of documents that were published during this inquiry are available on The National Archives website.

• Last updated: 4 November 2026
  Show all updates

  1. 4 November 2026

     Undertakings released.

  2. 1 February 1993

     First published.