1. If the other party cannot be present to sign for the land certificate, you may consider entrusting an agent to sign on your behalf. The agent needs to hold a power of attorney from both parties and provide proof of identity, marriage certificate, divorce certificate and other supporting documents of both parties.

2. If the other party cannot be present in person to sign abroad and cannot entrust an agent to sign on his behalf, a power of attorney from the other party can be provided. The power of attorney needs to meet the requirements stipulated by law, be signed by the other party and stamped with the official seal or certified by the consulate.