SSI exemption: brand name restriction inapplicable to goods of Heading 83.01 under amended central excise notification. The substituted proviso provides that paragraph 4 shall not apply to goods of Heading 83.01 bearing a name or mark (such as symbol, monogram, label, signature, invented word or writing) in respect of which no person has the right as proprietor or user to use such name or mark in respect of the said goods.