All welding work, equipments for welding, heat treatment, other auxiliary functions and the welding personnel shall meet the requirements of the latest editions of the following accepted standards and procedures unless otherwise specified in the Welding Specification Chart and the Technical Notes attached thereof. In the case of conflicting requirements, the requirements mentioned in Welding Specification Chart/Technical Notes shall be applicable.
| Sr. | Number | Title |
| 1 | B31.1 | Power Piping |
| 2 | B31.3 | Process Piping |
| 3 | B31.4 | Pipeline Transportation Systems for Liquid Hydrocarbons and Other Liquids. |
| 4 | B31.8 | Gas Transmission and Distribution Piping Systems. |
| 5 | BPV-II-C | ASME Boiler & Pressure Vessel Code, Sec II Part C, Material Specifications: Welding Rods, Electrodes and Filler metals. |
| 6 | BPV-V | ASME Boiler & Pressure Vessel Code, Section V, Non destructive examination. |
| 7 | BPV-VIII | ASME Boiler & Pressure Vessel Code, Section VIII, Rules for Construction of Pressure Vessels. |
| 8 | BPV-IX | ASME Boiler & Pressure Vessel Code, Section IX, Welding and Brazing Qualifications. |
| 9 | IBR | Indian Boiler Regulations |