A signed social insurance waiver feels like protection. Since September 2025 it is void, and the arrears, late fees and severance still land.
Foreign employers often see it as a win-win: the employee takes home more, the company saves on contributions, and everyone signs a waiver. Since September 2025 China's Supreme People's Court has made clear that the waiver is void, and the bill arrives anyway.
Social insurance is mandatory for employers and employees alike, and an employer is expected to register a new hire within 30 days of the start of employment. None of that is new. What changed on 1 September 2025 is the certainty about what a waiver is worth.
Company C, a German industrial-equipment maker, hired a sales engineer in Suzhou through a local intermediary that handled payroll. Before signing, the candidate made an unusual request: skip social insurance enrolment and pay him the equivalent in cash. He said he already had coverage in his hometown and preferred a higher monthly income.
HQ saw an easy trade. The employee would be happier, and the employer-side contributions, which add a meaningful amount on top of salary, would disappear. The intermediary went along. On his first day the engineer signed a short voluntary waiver letter, which also said he would return the allowance if enrolment ever became necessary, and a monthly cash allowance was added to his pay.
Two years later, with the Supreme People's Court's new interpretation in force, the engineer accepted an offer from a competitor and resigned in writing, citing Company C's failure to pay his social insurance. He claimed severance and filed a complaint with the local social insurance agency.
Company C's answer felt airtight: he asked for it, he signed a waiver, and he was paid extra for it. The tribunal was not persuaded.
Article 19 of the Supreme People's Court's Judicial Interpretation II, in force since 1 September 2025, says three things that matter here.
The published typical case looked a lot like Company C's: a waiver signed right after hiring and a monthly cash subsidy in place of contributions. The court held the agreement void and the employee entitled to severance on resigning.
That outcome matters for planning. A waiver does not shift the obligation to the employee; it simply removes the employer's only written evidence that it knew the rule.
The social insurance agency can order back payment within a deadline and charge a late fee of 0.05% per day on the arrears. If the arrears remain unpaid after the order, authorities can also fine the employer one to three times the amount owed.
Company C ended up paying the arrears, the late fees and roughly two to three months' pay in severance, and then had to open a separate claim to try to recover the cash allowance it had paid for two years.
Legally the employer of record carried the liability. Under typical service agreements the cost flowed back to the client, which is the standard shape of these disputes.
Every step below is cheaper than remediation after a resignation letter.
A waiver signed by the employee feels like protection. In China it is just paper: social insurance is mandatory, and an agreement to skip it is void. The saving you pocket today becomes a bill that grows every month, and it usually arrives the day the employee leaves.
Company C is a composite, illustrative case, not any specific client. Consult qualified PRC employment counsel for case-specific guidance.
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