Legal analysis: Yes, if the developer can't issue the full invoice to the buyer according to the law or the contract after the completion of the housing loan, the parties can cancel the house purchase contract on the grounds of the developer's breach of contract and ask him to refund the purchase price.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 595 A sales contract is a contract in which the seller transfers the ownership of the subject matter to the buyer and the buyer pays the price.

Article 577 Where a party fails to perform its contractual obligations or fails to perform its contractual obligations in conformity with the contract, it shall be liable for breach of contract such as continuing to perform, taking remedial measures or compensating for losses.

Article 578 Where a party expressly expresses or shows by his own behavior that he will not perform his contractual obligations, the other party may request him to bear the liability for breach of contract before the time limit for performance expires.

Article 579 If one party fails to pay the price, remuneration, rent or interest, or fails to perform other monetary obligations, the other party may demand payment.