The reverse charge mechanism is applicable upon the nature of the given goods/services as notified by CBIC which will be covered under RCM. This scenario is covered by section 9 (3) of the CGST/SGST (UTGST) Act and section 5 (3) of the IGST Act....
Further as per Rule 36 sub rule (1) clause (b) of the CGST Rules 2017, the Self Invoice is the document which is required to claim ITC on GST paid under RCM basis.EXTRACT OF RULE 36(1) clause (b) :The input tax credit shall be availed by a registered person on the basis of ...