sule 6666. (1) Every registered person required to deduct tax at source under section 51 (hereafter in this rule referred to as deductor) shall furnish a return in FORM GSTR-7 4[, on or before the tenthProduct Calumet Mineral Spirits, Rule 66 1. Chemical Product and Company Identification Trade Name of this Product Calumet Mineral Spirits, Rule 66 Synonyms: 0415-00 MSDS ID