Generally, units are allowed to default on medical insurance for several months.

The unit can't default on social security for more than three months. There is no time limit for arrears, but it will be broken if you don't pay social security for 3 months. Insured personnel should be insured within 3 months after being included in the scope of insurance, and enjoy the next month after paying medical insurance premiums for employees. Failing to go through the insurance formalities within the specified time, or interrupting the payment for three months in a row, it is regarded as interrupting the insurance. Generally speaking, units are not allowed to default on social security, which violates relevant laws and regulations and is illegal. If the employer fails to pay social insurance premiums in full and on time in accordance with the relevant laws and regulations, the social insurance premium collection agency shall order it to pay or make up within a time limit.

Social security was cut off in less than three months. Insured persons should be insured within 3 months after being included in the social security scope. If they fail to go through the insurance formalities within the specified time, or the payment is continuously interrupted for 3 months, it will be regarded as the interruption of insurance. After the interruption, you can go through the insurance procedures and pay for 6 months in a row before you can enjoy medical insurance benefits. If it is paid within three months, it will enjoy medical insurance benefits from the next month. The employing unit shall, within 30 days from the date of employment, apply to the social insurance agency for social insurance registration for its employees. If the social insurance has not been registered, the social insurance agency shall verify the social insurance premium it should pay. If the employer fails to pay social insurance premiums in full and on time, the social insurance premium collection agency shall order it to pay or make up within a time limit. If the employer fails to pay or repay the social insurance premium within the time limit, the social insurance premium collection agency may inquire about its deposit account in banks and other financial institutions; And can apply to the relevant administrative departments at or above the county level to make a decision on the allocation of social insurance premiums, and notify their bank or other financial institutions in writing to allocate social insurance premiums. If the balance of the employer's account is less than the social insurance premium that should be paid, the social insurance premium collection agency may require the employer to provide guarantee and sign a deferred payment agreement.

Details are as follows:

1. Before the arrears are paid off, individuals under their account names cannot go through social security transfer and retirement procedures. When the fee is renewed, the Social Security Bureau says that it is in arrears and can consult the original unit. If it is the fault of the unit, you can ask the unit to pay the fees owed;

2, has been insured, continue to pay the next year, with the "payment card" directly to the social security bank outlets according to the annual standard to choose to pay.

The applicant has participated in the basic medical insurance for two consecutive years (including two years) or more, and the insured relationship has switched between employee medical insurance and resident medical insurance due to personal identity changes such as employment. If the payment is interrupted for no more than three months, the applicant can enjoy the treatment normally after payment, so as to ensure the seamless connection of the treatment of the insured. If the payment is interrupted for more than 3 months, each co-ordination area can set a waiting period of no more than 6 months according to its own situation, and the original insured relationship will be suspended after the waiting period expires.

To sum up, the unit cannot owe social security for more than three months at most. There is no time limit for arrears, but it will be broken if you don't pay social security for 3 months.

Legal basis:

Article 63 of People's Republic of China (PRC) Social Insurance Law

If the employer fails to pay social insurance premiums in full and on time, the social insurance premium collection agency shall order it to pay or make up within a time limit.

If the employer fails to pay or repay the social insurance premium within the time limit, the social insurance premium collection agency may inquire about its deposit account in banks and other financial institutions; And can apply to the relevant administrative departments at or above the county level to make a decision on the allocation of social insurance premiums, and notify their bank or other financial institutions in writing to allocate social insurance premiums. If the balance of the employer's account is less than the social insurance premium that should be paid, the social insurance premium collection agency may require the employer to provide guarantee and sign a deferred payment agreement.

If the employer fails to pay the social insurance premium in full and fails to provide guarantee, the social insurance premium collection agency may apply to the people's court for sealing up, distraining and auctioning the property whose value is equivalent to the social insurance premium that should be paid, so as to offset the social insurance premium with the proceeds from the auction.