In case of goods sent on sale on approval basis, invoice has to be issued:

• A. while sending the goods; another Invoice has to be issued by the recipient while rejecting the goods;
• B. while sending the goods but the recipient can take credit only when the goods are accepted by him;
• C. when the recipient accepts the goods or six months from the date of supply whichever isearlier.
• D. when the recipient accepts the goods or three months from the date of supply whichever is earlier.