When is the latest time to pay for social security in Xi'an?

Social security Payment time regulations: Employers should apply for social insurance registration with the social insurance agency for their employees within 30 days from the date of employment. If the employer fails to register for social insurance, the social insurance agency shall approve the social insurance premiums to be paid by the employer. Individual entrepreneurs without employees who voluntarily participate in social insurance, part-time employees who do not participate in social insurance with their employers, and other flexibly employed persons shall apply for social insurance registration with the social insurance administration organization. The State establishes a nationally unified individual social security number. Individual social security numbers are citizens' identity numbers.