Only applicable HSN in TRAN 1 and TRAN 2
Only applicable HSN in TRAN 1 and TRAN 2 vide notification number Notification No. 17/2017 – Central Tax. earlier it was an issue. But now you need to mention only the applicable HSN. It is a relief to taxpayers. You are not required to find out your HSN code. TRAN 1 and TRAN 2 are the forms for shifting of credit in GST. Time limit to fill this form is 90 days. So you can fill it upto 30th September.
Relevant text of notification is here:
(viii) in FORM GST TRAN-1, with effect from 1st July, 2017, in Sl. No. 7, in Table (a), for the heading of column (2), the heading “HSN as applicable” shall be substituted; (ix) in FORM GST TRAN-2, with effect from 1st July, 2017, in Sl. No. 4 and 5, in the Table, for the heading of column (1), the heading “HSN as applicable” shall be substituted.
Thus you need not to bother for HSN code.
Full text is available at this link.