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.
Pujan Motiwala · Checked against the Gazette on · IBR 2026, in force from 1 October 2026
What is Form V Part B?
Form V Part B of the Indian Boiler Regulations, 2026 is the certificate of manufacture and results of tests in lieu of original test certificates, prescribed under regulation 8(d). Under the Indian Boiler Regulations, 1950 it was Form IV-A (certificate of manufacture and results of tests in lieu of original test certificates).
Who issues and signs Form V Part B?
The boiler maker and its representative, from the original material test certificates, with the Competent Person and the Inspecting Authority also signing.
What does Form V Part B record?
- The boiler's maker's number and drawing number
- For each component: quantity, size, cast or heat number and plate number, steel-making process, specification
- The steel or part maker, certificate number and date, heat treatment
- Chemical analysis (C, Mn, P, S, Si and alloying elements), yield strength and UTS in kg/mm², elongation, bend test
- The name of the inspecting authority
When is Form V Part B filed, and with what?
Filed with Form IV Part A in the registration application (regulation 8(d)(iv)). The manufacturer keeps it for at least five years (regulation 308(4)).
What changed for Form V Part B from IBR 1950?
Under IBR 1950 this was Form IV-A. IBR 2026 makes it an explicit part of the registration documents, filed with Form IV Part A.
Related forms
- Form V Part A: Steel maker's certificate of manufacture and results of tests (was Form IV)
Quoted from the regulations (2)
“The extract of all test certificates of materials used in boiler and boiler components in Form-V(Part-B) along with Form-IV(Part-A).”
IBR 2026, regulation 8(d)(iv)
“Name and signature of Competent Person”
IBR 2026, Form V Part B
See a boiler's IBR folder produced from its material certificates, with a sample company.
Built for a boiler manufacturer: ERP for boiler manufacturers · how the folder is produced
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 .
Talk to us about your systems.
Tell us what's held together with workarounds right now. We reply to every message ourselves.