Job work transactions amount

Kollipara Sundaraiah (B.com) (2963 Points)

20 February 2021  
A gst registered regular scheme cloth resale dealer some cloth material send to URD job worker for the purpose of Job work.if job work completed some service charges paid to job worker.

Question:
1.dealer job work send material invoice issued compulsory.
2.service charges paid amount to job worker transactions how to show procedure in gstr3b return.
3.e-way bill compulsory.