The joint signature person of the apartment guarantees the lease contract or rental agreement for the first next loan person. When confidence and the public finance which are normally required because the latent loan person leases the apartment, or satisfying the condition of the background perhaps the quality manager no person of whether the landlord it requires the joint signature person of the apartment.

In some jurisdictions, the credit of the guarantee may also be affected as a result of the failure of a major tenant to meet its financial obligations. These tests are normally done to protect business owners, helping to ensure that selected tenants pay rent and not damage the apartment or use it for illegal purposes. The guarantee is usually subject to the selection process as well as a tenant. If the guarantor meets the requirements to rent an apartment, the guarantor sign the lease agreement, pledging to meet its obligations if the tenant does not.