Marking As per governing Specifications. If not specified in governing specifications, then firms are advised to supply the material duly embossing/engraving/ stenciling with permanent marker the name of manufacturer/supplier and year of manufacture at place which is preferably visible and shall not get worn out during service. If none of the above is possible the same to be marked on packing. The Make, Model, and Manufacturing Date (Month/Year) must be engraved or embossed directly on the material. In cases where engraving or embossing is not feasible due to the potential risk of affecting the item dimensional accuracy, functionality, or because of its small size, these details must instead be clearly indicated on the packaging. Such instances shall be accompanied by a justification letter on the company letterhead, explaining the reason for not marking the details directly on the material.