Under what circumstances can a buyer make a claim with a 15-day guarantee in 1688?

Only buyers who meet all of the following criteria may apply for compensation:

1 The seller to whom the buyer applies for compensation must have joined the 15-day replacement service, and the traded goods support 15-day replacement.

2 The buyer and seller must have Alipay guaranteed transactions;

3 Any of the following situations occur in the after-sales process:

a. The seller refuses to fulfill the promised 15-day replacement service;

b. The seller will charge an overage fee when providing the 15-day replacement service