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The JMB is administered at an office in Surrey. Two secretaries deal with day to day administration.

The backbone of the JMB are the Rules. These are set by the Stewards who are appointed by various societies and organisations.

Full details can be found in the relevant section of the Rules:

For the Rules click here







Related resources

Search the measurement database here

Find an Official Measurer here

Re-measurement results here

Invalid measurements and certificates here