Legal analysis: Daily expenses mainly include travel expenses, telephone charges, transportation expenses, office expenses, low-value consumables purchase expenses, business entertainment expenses, training fees, etc. In a budget period, the cumulative expenditure of various expenses shall not exceed the budget in principle. 2. The general provisions on expense reimbursement shall follow the principle of "seeking truth from facts and being accurate", and specify the reasons, expense items, time, place, amount, reimburser and approver; The expense items, reimbursement standards and reimbursement approval procedures for reimbursement conform to the provisions of the enterprise system; The reimbursement person obtains the corresponding reimbursement form, which is signed by the manager, the inspector (reviewer) and the approver.

Legal basis: Article 57 of the Social Insurance Law of People's Republic of China (PRC), the employing unit shall, within 30 days from its establishment, apply to the local social insurance agency for social insurance registration with its business license, registration certificate or unit seal. The social insurance agency shall, within fifteen days from the date of receiving the application, examine and issue the social insurance registration certificate.

Where the social insurance registration items of the employing unit are changed or the employing unit is terminated according to law, it shall, within 30 days from the date of change or termination, go to the social insurance agency to handle the change or cancellation of social insurance registration.

The market supervision and management department, the civil affairs department and the organization management organ shall promptly inform the social insurance agency of the establishment and termination of the employing unit, and the public security organ shall promptly inform the social insurance agency of the birth, death, household registration, migration and cancellation of the individual.