How to query the lease contract number? Can I write casually?

Legal analysis: the contract number in the house lease contract is the number determined by the lessee for the convenience of counting the user's house rent. This figure is not the content of the contract. In judicial practice, there is usually no contract number unless there is a contract number between the lessee and the company. As the lessee, the contract number is meaningless, which is convenient for the lessor to count and manage. On the basis of equality and voluntariness, in order to clarify the rights and obligations of both parties, Party A and Party B have reached the following agreement on the matter of Party A renting out the house to Party B and Party B renting out the house to Party A through consultation ... Extended data:

Matters needing attention in house leasing: users had better sign a contract with the landlord face to face, check whether the ID card and the real estate license are consistent, and ensure that they have the right to rent the house. 2. Before signing the contract, users should not pay any deposit, intention money or other money to avoid empty money and vacant rooms. 3. The user should clearly state the indoor facilities in the contract, including furniture and household appliances. If decoration is needed, it should also be noted in the contract to avoid unnecessary disputes when renting out in the future, and clearly write out who will pay for utilities, broadband network fees, property fees, cable TV closed-circuit fees, etc. If the lessor is not the landlord, be sure to sign the lease contract. The signed lease contract must be approved by the landlord, and the lease term cannot exceed the original lease contract. If there are additional conditions such as safety and environmental factors, the user will try to write them into the contract after consultation with the landlord. It must be noted that the deposit is best paid after signing the contract and writing the additional conditions.