Second, the validity of the bill means that there is a transaction between you, but one party has fulfilled its obligation to give money and the other party has not fulfilled its obligation to assist in the transfer. As a result, the transaction was not fully fulfilled, nor was there no transaction.
Third, how can the rural homestead housing authority say that it can also buy a house for replacement? Also built six small tile houses, illegal construction? In doubt.
If the property you acquired is illegal as mentioned in the above three paragraphs, you should reduce it quickly and settle it through negotiation. You'd better ask a local lawyer for help.