Official GST ITC form and ITC workflow references for portal-based credit claims and reconciliations.
GST ITC-01 manual
GSTN
Official GSTN guide for filing Form GST ITC-01 for ITC claims under section 18.
GST ITC-04 job-work manual
GSTN
Official GSTN guide for filing and maintaining GST ITC-04 job-work details.
TDS and TCS credit received
GSTN
Official GSTN guide for taking action on TDS and TCS credit received inside the GST portal.