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 tenthOrder 21, rule 66. 21.34. A point concerning Order 21, rule 66, which was discussed in the earlier Report1 requires consideration. A recommendation had been made in the 14th Report' to