Discuss the liability of the retiring partner of a firm to pay any tax, interest or penalty, if any, leviable on the firm under CGST/IGST/ SGST Act.

Where any partner retires from the firm, he or the firm, shall intimate the date of retirement of the said partner to the Commissioner by a notice in that behalf in writing. Such partner shall be liable to pay tax, interest or penalty due up to the date of his retirement whether determined or not, on that date. However, if no such intimation is given within 1 month from the date of retirement, the liability of such partner shall continue until the date on which such intimation is received by the Commissioner [Section 90 of the CGST Act, 2017].