Form XI: Memorandum of Inspection Book or Registration Book
The boiler's lifelong inspection record: its particulars, dimensions, hydraulic and steam tests, inspections, repairs and accidents.
Pujan Motiwala · Checked against the Gazette on · IBR 2026, in force from 1 October 2026
What is Form XI?
Form XI of the Indian Boiler Regulations, 2026 is the memorandum of Inspection Book or Registration Book, prescribed under regulation 306. Under the Indian Boiler Regulations, 1950 it was Form I (memorandum of inspection or registration book).
Who issues and signs Form XI?
Prepared by the Inspector at registration; later entries by the Competent Person; kept in the Chief Inspector's office.
What does Form XI record?
- The boiler's particulars and dimensions
- Hydraulic and steam tests
- Inspection notes, general condition and repairs
- Reports of casual visits, main steam pipe inspections and accidents
- The design pressure approved by the Chief Inspector
When is Form XI filed, and with what?
Submitted to the Chief Inspector with the maker's papers after the Inspector's report; a copy is kept as the registration book (regulations 300(4), 306, 307).
What changed for Form XI from IBR 1950?
Under IBR 1950 this was Form I, which is why older folders call the registration book 'Form I'.
Related forms
- Form X: Provisional order under section 14 of the Boilers Act, 2025 (was Form V)
- Form XII: Certificate for use of a boiler (was Form VI)
Quoted from the regulations (2)
“A Memorandum of Inspection Book shall be prepared for each boiler in Form-XI”
IBR 2026, regulation 306(1)
“A pressure once approved for the boiler shall not be altered without the written authority of the Chief Inspector.”
IBR 2026, regulation 306(4)(c)
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Official sources
- Indian Boiler Regulations, 2026 (Gazette of India, Extraordinary, No. 596). Central Boilers Board, Department for Promotion of Industry and Internal Trade, October 1, 2026.
What this page is not
A guide written by Ahrom Labs from the Gazette text; not legal advice. The Gazette governs wherever this page differs from it, and a state's Chief Inspector of Boilers may set procedures of their own. Last updated .
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