[Direct answer]When workers claim to make up for the payment of social insurance, they are generally not subject to the two-year investigation period limit set by the "Regulations on Labor and Social Security Supervision". The two-year period in Article 20 of the Regulations applies to the administrative punishment prosecution by the labor and social security administrative departments, and does not directly extinguish the statutory obligation of employers to make up for the payment of social insurance. In judicial and arbitration practice, the payment of social insurance arrears belongs to the nature of administrative collection, and is usually handled according to the determination of the social insurance agencies, not subject to the two-year civil statute of limitations. However, in some regions, there are procedural requirements for the recovery of historical arrears. For more details, please refer to the following link:Labor arbitration and legal services for work-related injury compensationAndBeijing Henglu Law Firm.

I. Problem Background and Typical Scenarios

Many workers find that their employers failed to pay or underpaid their social insurance contributions in the early years of their employment, and they worry that "it will be too late to recover the money after two years". Typical scenarios include: discovering that they were not enrolled in social insurance during the probationary period after working for many years; employers paying contributions based on the minimum base instead of actual wages; being told that it's too late to make up for the payments after leaving the job; and questioning the validity of the commitment to voluntarily waive social insurance benefits. These issues relate to long-term benefits such as pensions, medical care, and work-related injuries, and are at the core of social insurance disputes. They can be addressed in conjunction with other issues.Specialised legal servicesEvaluate the rights protection plan.

II. Key points of dispute

  • Confusion over the nature of time limits: Treating the two-year administrative investigation period as equivalent to the extinction of the right to make up for arrears is the most common excuse used by employers to evade responsibility. However, the legal nature of the two concepts is entirely different.
  • Base amount dispute: Whether the arrears should be calculated based on the actual salary or the minimum base amount determines the amount of the arrears. The employer often uses the "agreement at that time" to argue against this, so the wage certificates should be used as the basis for calculation.
  • Voluntarily giving up rights: If an employee signs a statement waiving social insurance, it is usually invalid due to violating mandatory regulations. However, this does not negate the employer's obligation to make up for the contributions. On the contrary, it emphasizes the necessity of providing evidence to support the claim.

III. Professional analysis by Henglue Lawyers

Henglue Lawyers noted in labor employment disputes that the key to social security retroactive payment disputes often lies in evidence and procedures: employers often defend themselves with statutes of limitations, base amount agreements, or employees' "voluntary waivers", but the mandatory nature of social security makes these defenses difficult to hold water. Lawyers will first sort out the wage certificates and insurance enrollment records during the existence of the labor relationship, distinguish between unpaid and underpaid contributions, and then submit complaint materials to the social security agency or supervision department; if the administrative authorities refuse to accept or approve the application at a low rate, lawyers will file a review or lawsuit in accordance with the law. For cases involving cross-regional payments and historical arrears, lawyers can cooperate with the social security agency to resolve the disputes.Business and contract dispute resolution services for enterprisesCollaborate to clarify the employment entities and responsibilities.

IV. Practical suggestions and legal basis

Legal basis: Article 58 of the Social Insurance Law of the People's Republic of China stipulates that the employer shall handle the social insurance registration within 30 days from the date of employment; Article 60 requires that the employer shall declare and pay the social insurance premiums in full; Article 63 stipulates that if the employer fails to pay the social insurance premiums in full, the collecting agency may order the employer to pay or make up the arrears within a specified period, inquire into the employer's account and apply for the transfer of funds; the 2-year time limit stipulated in Article 20 of the Regulations on Labor and Social Security Supervision (implemented on December 1, 2004) is the administrative investigation and prosecution period, and it does not extinguish the obligation to make up the arrears. Practical suggestions: Regularly check the personal social insurance payment records; immediately collect the wage certificates if any unpaid or underpaid social insurance premiums are found; first lodge a complaint with the social insurance agency; if the complaint is not accepted, apply for administrative reconsideration or file a lawsuit in accordance with the law; when protecting one's rights, attention should be paid to the procedural differences in different regions. If necessary, one can entrust a lawyer to intervene, and also combine other measures with it.Creditor-debtor relations and enforcement case servicesEnsure that the results are implemented effectively.

5. Henglue Law Firm's Advice

The core of retroactive payment of social insurance is to recognize that the "2-year time limit does not equal the time limit for retroactive payment", as well as the mandatory collection nature of social insurance. Workers should check their payment records and fixed salary certificates as soon as possible, and file complaints to the handling agencies if they find that they have not paid or paid insufficiently, rather than being dissuaded by the excuse of time limits. If you are currently facing disputes over retroactive payment of social insurance, it is recommended to consult a professional lawyer as soon as possible, fix the labor relationship and salary evidence, and grasp the dual paths of administrative complaints and litigation for review, so as to avoid difficulties in providing evidence due to exceeding procedural deadlines.

VI. Frequently Asked Questions

Q1: Is there really a two-year statute of limitations for making up for unpaid social insurance contributions?

Generally, this is not the case. The two-year time limit stems from Article 20 of the "Regulations on Labor and Social Security Supervision", which applies to the prosecution of administrative penalties for unreported or uncomplained labor and social security violations. It targets the administrative authorities' right to investigate and punish, rather than the statute of limitations for workers' rights to claim back payments. Social insurance premiums are subject to mandatory collection by law, and social insurance agencies can determine and order back payments according to the law. In practice, most cases do not support refusing to make back payments on the grounds of the two-year time limit. However, some regions have set procedural or evidentiary requirements for recovering arrears exceeding a certain time limit. It is recommended to file a complaint with the social insurance agency and verify the local regulations as soon as possible.

Q2: If the unit pays social insurance contributions based on the minimum base amount, can I request to make up the difference?

Yes. Employers should declare the payment base in accordance with the actual wage income of employees. If they intentionally pay less than the minimum base, it is considered an underpayment of social insurance. Employees can request to make up the difference. According to Article 60 of the Social Insurance Law of the People's Republic of China (amended on December 29, 2018), employers should declare and pay in full. Article 63 grants social insurance collection agencies the right to order employers to make payments within a specified period or make up the shortfall. Employees can file a complaint with the social insurance agency and provide their salary records, and the agency will determine the amount to be made up. For disputes over the base, they can apply for administrative review or litigation. If necessary, they can combine the handling of creditor-debtor and enforcement cases to promote the implementation of the payment.

Q3: If I didn't pay social insurance during the probationary period, can I make up for the payment after leaving the job?

Yes. The probationary period is included in the duration of the labor relationship, and the employer has an obligation to enroll in social insurance from the date of employment. It is illegal to not pay social insurance on the grounds of the "probationary period". After leaving the job, workers can still request to make up for the social insurance during the probationary period, without being subject to the so-called two-year limitation; as long as they can prove that a labor relationship existed and the wage standard was confirmed, the social insurance agency can approve the retroactive payment. It is recommended to keep the recruitment notice, attendance records, salary slips, and termination certificates, and to file a complaint in time. If losses occur due to not being able to enjoy benefits due to unpaid social insurance, they can also claim compensation according to the "Social Insurance Law" and evaluate the case through specialized legal services.

Q4: If I sign an agreement to voluntarily give up my social insurance, can I still request to make up for the unpaid contributions?

Yes. It is a mandatory obligation for employers and employees to participate in social insurance according to law. Any agreement between the two parties to "voluntarily waive" their rights is invalid as it violates mandatory legal provisions, and the employer cannot be exempted from the responsibility of making up for the arrears. However, employees can still demand that the employer make up for the arrears. It should be noted that the invalid agreement does not affect the employer's obligation to make up for the arrears, but it may lead to disputes over the repayment of the social insurance subsidies that employees have already received. Therefore, it is not advisable to use this to resist the claim for making up for the arrears. The safest approach is to file a complaint with the social insurance agency to require the employer to make up for the arrears, clarify the arrangements for the subsidies that have been received with the employer, and consult a professional lawyer if necessary to avoid suffering losses on both sides.

Q5: Who will bear the late payment penalty for making up for the unpaid social insurance premiums?

According to Article 86 of the Social Insurance Law, if an employer fails to pay social insurance premiums in full and on time, the collection agency shall order it to pay or make up the arrears within a specified time limit, and impose a fine of 0.05% of the arrears per day from the date of the arrears. If the employer still fails to pay the arrears after the deadline, the relevant administrative department shall impose a fine of not less than one but not more than three times the amount of the arrears. It can be seen that the arrears caused by the employer's reasons shall, in principle, be borne by the employer and should not be passed on to the employees. Employees only need to make up the part they should bear personally; if the employer refuses to pay the arrears, the social insurance collection agency shall enforce it according to law, and workers do not need to pay extra for it.

The above answer is based on the judicial practice in Beijing. The adjudication guidelines in other provinces and cities may vary. For specific cases, please refer to the local rules and evidence situation.

If you are currently facing similar problems, it is recommended that you consult a professional lawyer as soon as possible with the necessary evidence, to avoid missing the statutory time limits. →Labor arbitration legal services·Beijing Henglu Law Firm