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Mandatory hallmarking with HUID from 1 July 2023


Mandatory hallmarking of gold with six-digit alphanumeric HUID (Hallmark Unique Identification) will be applicable to all jewellers in the country from 1 July 2023. This means the sale of old hallmarked jewellery with four logos without HUID number will not be allowed from July 1.

After the introduction of HUID, the hallmark consisted of three marks – BIS logo, purity of the article and six-digit alphanumeric HUID. Each hallmarked article has a unique HUID number which is traceable.

The six-digit HUID number was introduced from July 1, 2021, and initially, both the old hallmarked jewellery with four marks without HUID and six-digit HUID mark jewellery were allowed to be sold.


But the consumer affairs ministry said that the simultaneous sale of two types of hallmarked jewellery by the jewellers was creating confusion.

Consumers can verify and validate hallmarked gold jewellery items with HUID numbers by using the 'verify HUID' feature on the BIS CARE app. The app is available for both Android and iOS.

While verification, the consumers can see details about the jeweller who had the article hallmarked, their registration number, the purity of the article, the type of article, and the details of the hallmarking centre that tested and hallmarked the article.


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