You can entrust your family and boyfriend to handle it, specifically entrust the required materials, the detailed address, building number, unit and room number of the house to be purchased (subject to the address on the property certificate), and prepare copies of personal ownership materials and income certificates, which requires 4 notarial certificates. Go to the notary office and the notary office of the housing transaction center for full authorization, and indicate; Sign, pay, handle all formalities of bank mortgage, etc. You go to the notary office to explain the reason, and the notary will help you operate. The notarized price seems to be 240 yuan.