Before signing the Property Regulations, you should read and understand the relevant clauses carefully to ensure that you have a full understanding of the contents of the Regulations. If you are in doubt or uncertain about some terms, you can consult the relevant departments or lawyers.
In short, whether it is legal for the government to sign the property regulations when allocating resettlement houses and finally getting the keys needs to be judged according to local laws and regulations and specific conditions. If you have any questions or concerns, it is recommended that you consult relevant departments or lawyers to obtain more accurate information.