Royal Charter and By-laws

The Institution of Mechanical Engineers’ Royal Charter & By-laws define our charitable objectives, constitution and powers to govern the Institution, with detailed Regulations pursuant to them.

Download the Charter & By-laws PDF


The Code of Conduct Regulations and Disciplinary Regulations have been updated following a comprehensive review. The new Code of Conduct and supporting information can be found here.

Disciplinary Regulations

The Institution’s Disciplinary Regulations are now in line with current best practice for disciplinary processes. The new regulations contain a detailed framework to address matters of alleged improper conduct fairly and transparently for the parties involved. A set of guidance documents has also been produced to help explain the different stages of the process.

Download the Disciplinary Regulations

View a diagram providing an overview of the disciplinary process stages

Disciplinary Regulations Forms:

Complaint Form – Download a PDF version here
For information: Forms B, C, D, E are templates for internal use. These are available on request.

  • From Birdcage Walk: Code of Conduct and Disciplinary Regulations Review

    Rich Sibbick, IMechE Fellow and member of our Implementation Group explains the importance of the Code of Conduct and Disciplinary Regulations Review.

  • Complaints

    Complaints about Institution members not adhering to the Code of Conduct Regulations must be submitted on the Complaint Form and sent by post or electronically to:


      Clerk to the Assessors

      Institution of Mechanical Engineers

      1 Birdcage Walk


      SW1H 9JJ

      Written letter/email complaints will not be accepted. Completion of the Complaint Form is required.

      For further information on the process please refer to the Disciplinary Regulations guidance documents.