The formalities require the seller to provide the following materials: a. Real estate license? B. Original and photocopy of ID card? Original and photocopy C. Original purchase agreement? D. the original and photocopy of the household registration book? Original and photocopy E. If you are married, do you need to provide them? Marriage certificate? Original and photocopy F. If you are married, do you need to provide them? * * * Some people agree that the buyer needs to provide the following materials for selling opinions: A. ID card? Original and photocopy B. Household registration book? Original and copy? Not a local hukou, but a temporary residence permit.