How to Compute Value of supply of goods or services where the consideration is not wholly in money under GST

Rule 27 of CGST Rules 2017

27.Value of sup­ply of goods or ser­vices where the con­sid­er­a­tion is not whol­ly in — 

Where the sup­ply of goods or ser­vices is for a con­sid­er­a­tion not whol­ly in mon­ey, the val­ue of the sup­ply shall,-

• be the open mar­ket val­ue of such supply;
• if the open mar­ket val­ue is not avail­able under clause (a), be the sum total of con­sid­er­a­tion in mon­ey and any such fur­ther amount in mon­ey as is equiv­a­lent to the con­sid­er­a­tion not in mon­ey, if such amount is known at the time of supply;
• if the val­ue of sup­ply is not deter­minable under clause (a) or clause (b), be the val­ue of sup­ply of goods or ser­vices or both of like kind and quality;
• if the val­ue is not deter­minable under clause (a) or clause (b) or clause ©, be the sum total of con­sid­er­a­tion in mon­ey and such fur­ther amount in mon­ey that is equiv­a­lent to con­sid­er­a­tion not in mon­ey as deter­mined by the appli­ca­tion of rule 30 or rule 31 in that

Illus­tra­tion:

• Where a new phone is sup­plied for twen­ty thou­sand rupees along with the exchange of an old phone and if the price of the new phone with­out exchange is twen­ty four thou­sand rupees, the open mar­ket val­ue of the new phone is twen­ty four thou­sand rupees.

Where a lap­top is sup­plied for forty thou­sand rupees along with the barter of a print­er that is man­u­fac­tured by the recip­i­ent and the val­ue of the print­er known at the time of sup­ply is four thou­sand rupees but the open mar­ket val­ue of the lap­top is not known, the val­ue of the sup­ply of the lap­top is forty four thou­sand rupees.