Hallmark Unique Identification (HUID)

About Hallmark Unique Identification:

• The HUID is a unique 6-digit alphanumeric code consisting of numbers and letters.
• The HUID will be given to every piece of jewellery at the time of hallmarking and it is unique for every piece of jewellery.
• This unique number is stamped manually, on jewellery at the Assaying & Hallmarking centres.
• Present scenario: Earlier, the HUID used to be 4 digits and now both 4 and 6-digit HUIDs are used in the market.
• From April 1st 2023, only 6-digit alphanumeric codes will be allowed.
• Symbol - The BIS Hallmark consists of 3 symbols namely the BIS logo, Purity/Fineness Grade, and a six-digit alphanumeric code
• The authenticity of hallmarked jewellery can be checked by using the 'verify HUID' feature on the BIS Care App.

What is the Bureau of Indian Standards?

• Bureau of Indian Standards (BIS), the National Standards Body of India established under the BIS Act 2016.
• Objective: Harmonious development of the activities of standardisation, and quality assurance of goods and articles.
• It works under the Ministry of Consumer Affairs, Food & Public Distribution.
• BIS represents India in International Organization for Standardization (ISO) and International Electrotechnical Commission (IEC).