IBR 2026 forms list, and their IBR 1950 names
Every form in the Indian Boiler Regulations, 2026, what it is, the regulation it falls under, and the IBR 1950 form it replaced. The forms were renumbered: Form III, the maker's certificate, is now Form IV Part A, and Forms II(1) and II(2), the inspection certificates, are now Form I Part B and Part C.
Pujan Motiwala · Checked against the Gazette on · IBR 2026, in force from 1 October 2026
What is my old IBR 1950 form called now?
Folders and drawings will carry IBR 1950 form names for years. Each one below is matched to its IBR 2026 form by the title both regulations print.
| IBR 1950 | IBR 2026, and what it is |
|---|---|
| Form I | Form XIMemorandum of Inspection Book or Registration Book |
| Form II-A | Form I Part AInspecting Authority's certificate of inspection during construction, boiler made to a foreign code for export |
| Form II-B | Form I Part DInspecting Authority's certificate of inspection during construction of boilers with permitted variations from standard conditions |
| Form II-C | Form I Part EInspecting Authority's certificate of inspection after completion of boiler erection at assembly site |
| Form II(1) | Form I Part BCertificate of inspection for shop assembled boilers |
| Form II(2) | Form I Part CCertificate of inspection for site assembled boilers at maker's works |
| Form III | Form IV Part AConstructor's certificate of manufacture and test |
| Form III-A | Form IV Part BCertificate of manufacture and test for pipes |
| Form III-B | Form IV Part CCertificate of manufacture and test for tubes |
| Form III-C | Form IV Part DCertificate of manufacture and test of boiler mountings and fittings |
| Form III-F | Form IV Part ECertificate of manufacture and test of castings |
| Form III-G | Form IV Part FCertificate of manufacture and test of forgings |
| Form III-H | Form IV Part GCertificate of manufacture and test for headers, desuperheaters/attemperators, blowdown tanks, feed water tanks, accumulators and deaerators |
| Form III-I | Form IV Part HCertificate of manufacture and test for dished ends and end covers |
| Form IV | Form V Part ASteel maker's certificate of manufacture and results of tests |
| Form IV-A | Form V Part BCertificate of manufacture and results of tests in lieu of original test certificates |
| Form IX | Form XVIIIMemorandum of inspection or registration book (economisers) |
| Form V | Form XProvisional order under section 14 of the Boilers Act, 2025 |
| Form VI | Form XIICertificate for use of a boiler |
| Form VII | Form XVInspecting Authority's certificate of inspection under construction (economisers) |
| Form VIII | Form XVIConstructor's certificate of manufacture and test (economisers) |
| Form X | Form XVIIProvisional order under the Boilers Act, 2025 (economisers) |
| Form XI | Form XIXCertificate for use of an economiser |
| Form XII | Form XXIRecord of welder's qualification and requalification tests |
| Form XIII | Form IIQualified boiler welder's certificate |
| Form XIX | Form IXDetails to be furnished with an application for inspection of a boiler after twelve or thirty-six months of certification |
| Form XV-A to XV-G | Form VIQuestionnaires for recognition by the Central Boilers Board (Parts A to G) |
| Form XVI-A to XVI-I | Form VIICertificates of approval (Parts A to I) |
| Form XVII | Form XXIICertificate of manufacture and test for small industrial boilers |
| Form XVII | Form XXIIICertificate of manufacture and test for small solar boilers |
| Form XVIII | Form XIIIQuestionnaire for repairers of boilers, economisers, steam lines and feed water lines |
| Form XIV | No IBR 2026 form with this titleSteam pipes and connecting fittings |
| Form III-D, III-E | No IBR 2026 form with this titleAlready deleted under IBR 1950 |
Inspecting Authority certificates
- Form I Part A: Inspecting Authority's certificate of inspection during construction, boiler made to a foreign code for export. The Inspecting Authority's certificate of inspection during construction for a boiler made to a foreign code for export.Regulation 4 · was Form II-A under IBR 1950
- Form I Part B: Certificate of inspection for shop assembled boilers. The Inspecting Authority's certificate that a shop-assembled boiler was built under its supervision, inspected at each stage and hydrostatically tested.Regulation 8(a) · was Form II(1) under IBR 1950
- Form I Part C: Certificate of inspection for site assembled boilers at maker's works. The Inspecting Authority's certificate for the parts of a site-assembled boiler made and inspected at the maker's works.Regulation 8(a) · was Form II(2) under IBR 1950
- Form I Part D: Inspecting Authority's certificate of inspection during construction of boilers with permitted variations from standard conditions. Replaces Form I Part B or C for a boiler built with variations from the standard conditions that the Board or the Inspecting Authority permitted.Regulation 8(a)(iv) · was Form II-B under IBR 1950
- Form I Part E: Inspecting Authority's certificate of inspection after completion of boiler erection at assembly site. The Inspecting Authority's certificate once a boiler is erected at site and passes its hydrostatic test there.Regulation 8(a)(v) · was Form II-C under IBR 1950
- Form VIII: Final inspection report for boiler components. The maker's final inspection report for boiler components, approved by the Competent Person; components are erected at site on its strength. New in 2026.Regulation 293 · new in IBR 2026
Certificates of manufacture and test
- Form IV Part A: Constructor's certificate of manufacture and test. The boiler maker's own certificate describing the boiler, its parts, materials, construction, mountings and tests.Regulation 8(b) · was Form III under IBR 1950
- Form IV Part B: Certificate of manufacture and test for pipes. The certificate of manufacture and test for steam and feed pipes.Regulation 10 · was Form III-A under IBR 1950
- Form IV Part C: Certificate of manufacture and test for tubes. The certificate of manufacture and test for boiler tubes.Regulation 11 · was Form III-B under IBR 1950
- Form IV Part D: Certificate of manufacture and test of boiler mountings and fittings. The certificate for boiler mountings and fittings such as valves.Regulation 12 · was Form III-C under IBR 1950
- Form IV Part E: Certificate of manufacture and test of castings. The certificate for castings used in a boiler.Regulation 13 and 50 to 57 · was Form III-F under IBR 1950
- Form IV Part F: Certificate of manufacture and test of forgings. The certificate for forgings used in a boiler.Regulation 14 and 58 to 62 · was Form III-G under IBR 1950
- Form IV Part G: Certificate of manufacture and test for headers, desuperheaters/attemperators, blowdown tanks, feed water tanks, accumulators and deaerators. The certificate for headers and similar standalone pressure parts, such as a steam header.Regulation 15 · was Form III-H under IBR 1950
- Form IV Part H: Certificate of manufacture and test for dished ends and end covers. The certificate for dished ends and end covers.Regulation 16 · was Form III-I under IBR 1950
- Form XXII: Certificate of manufacture and test for small industrial boilers. The certificate of manufacture and test for a small industrial boiler.Regulation 555(2) · was Form XVII under IBR 1950
- Form XXIII: Certificate of manufacture and test for small solar boilers. The certificate of manufacture and test for a small solar boiler. Split out of the old Form XVII in 2026.Regulation 596(3) · was Form XVII under IBR 1950
Material certificates
- Form V Part A: Steel maker's certificate of manufacture and results of tests. The steel maker's certificate for plates and bars: charge numbers, chemical analysis and mechanical test results.Regulation 8(d) · was Form IV under IBR 1950
- Form V Part B: Certificate of manufacture and results of tests in lieu of original test certificates. The extract that lists every material test certificate used in a boiler and its components, filed with the maker's Form IV Part A.Regulation 8(d) · was Form IV-A under IBR 1950
Registration and use
- Form X: Provisional order under section 14 of the Boilers Act, 2025. The order that lets a newly inspected boiler be used before its registration and certificate are complete.Regulation 300(2) · was Form V under IBR 1950
- 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.Regulation 306 · was Form I under IBR 1950
- Form XII: Certificate for use of a boiler. The certificate that authorises a registered boiler's use, at the design pressure it states.Regulation 310 · was Form VI under IBR 1950
Economisers
- Form XV: Inspecting Authority's certificate of inspection under construction (economisers). The Inspecting Authority's construction certificate for an economiser.Regulation 358(3) · was Form VII under IBR 1950
- Form XVI: Constructor's certificate of manufacture and test (economisers). The economiser maker's certificate of manufacture and test.Regulation 358(4) · was Form VIII under IBR 1950
- Form XVII: Provisional order under the Boilers Act, 2025 (economisers). The provisional order for an economiser. Not the small industrial boiler certificate, which was Form XVII under IBR 1950 and is now Form XXII.Regulation 381(5) · was Form X under IBR 1950
- Form XVIII: Memorandum of inspection or registration book (economisers). The economiser's inspection and registration book.Regulation 385 · was Form IX under IBR 1950
- Form XIX: Certificate for use of an economiser. The certificate that authorises an economiser's use.Regulation 387 · was Form XI under IBR 1950
Welders
- Form II: Qualified boiler welder's certificate. The certificate a welder must hold to weld boilers, boiler components, economisers, feed pipes, steam pipes and superheaters (regulation 7(1)(b)(iii)).Regulation 7(1)(b)(iii) and 541 · was Form XIII under IBR 1950
- Form XX: Qualified boiler welder's certification continuity form. The continuity form submitted with a qualified boiler welder's request to renew their certificate. New in 2026.Regulation 517 and 527(3) · new in IBR 2026
- Form XXI: Record of welder's qualification and requalification tests. The record of a welder's qualification or requalification test.Regulation 540 · was Form XII under IBR 1950
Recognition by the Central Boilers Board
- Form III: Questionnaire for manufacturers of boilers and boiler components. The questionnaire a firm answers to be recognised as a manufacturer of boilers or boiler components. New in 2026; recognition lasts three years.Regulation 7(1)(b)(v) · new in IBR 2026
- Form VI: Questionnaires for recognition by the Central Boilers Board (Parts A to G). Questionnaires for firms seeking recognition as an Inspecting Authority, Competent Authority, well-known steel maker, foundry or forge, tube or pipe maker, material testing laboratory or remnant life assessment organisation.Regulation 17(2) · was Form XV-A to XV-G under IBR 1950
- Form VII: Certificates of approval (Parts A to I). The Central Boilers Board's certificates of approval for the bodies and makers recognised under Form VI.Regulation 19 · was Form XVI-A to XVI-I under IBR 1950
Repairs and in-service inspection
- Form IX: Details to be furnished with an application for inspection of a boiler after twelve or thirty-six months of certification. The details furnished with an application to inspect a boiler used for electric power generation (Appendix H) or a waste heat boiler in a continuous process plant (Appendix I), twelve or thirty-six months after certification.Regulation 295(7) and 295(8) · was Form XIX under IBR 1950
- Form XIII: Questionnaire for repairers of boilers, economisers, steam lines and feed water lines. The questionnaire a firm sends to the state's Chief Inspector of Boilers to be recognised as a boiler repairer (regulation 316(2)).Regulation 316(2) · was Form XVIII under IBR 1950
Which IBR 2026 forms are new?
- Form III: The questionnaire a firm answers to be recognised as a manufacturer of boilers or boiler components. New in 2026; recognition lasts three years.
- Form VIII: The maker's final inspection report for boiler components, approved by the Competent Person; components are erected at site on its strength. New in 2026.
- Form XX: The continuity form submitted with a qualified boiler welder's request to renew their certificate. New in 2026.
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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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