Sub section 4 of section 16 of cgst act 2017 July 8, 2019 16 32 64 128 Subsection 4 of section 16 of the cgst act 2017 Section 249 Section 17014 of title 18 of the california code of regulations 17 u.s.c. ยง 201 Section 2500 of title 17 of the california code of regulations