Section 40, The Machinery (Safe Working Citation

If it appears to an Inspector from examination that aboiler can no longer be worked with safety at the originally · fixed authorised gauge pressure, and the owner declines to have the necessary renewals or repairs made, the Inspector shall fix a new authorised pressure at which the boiler may continue to be worked, and will mark this on a metal plate provided lor that purpose and attached to the boiler and no person shall use the boiler, or cause it to be used, at a pressure higher than that so marked.