1. Who Is Considered a “Local Employee” for IIT Purposes?

Article ID: CG360-HR-FAQ-019 | Last Updated: July 2026

China’s Individual Income Tax (IIT) system underwent its most significant overhaul in 2018, with reforms taking full effect from 2019 onward. For foreign companies hiring Chinese local employees — whether in Shanghai, Shenzhen, Beijing, or any other mainland Chinese city — understanding how IIT works is not optional. It is a legal obligation with serious consequences for non-compliance.

This FAQ article answers the most common questions foreign business owners and HR managers ask about China’s IIT for local employees. We cover the monthly calculation formula, the progressive tax rate table, standard and special additional deductions, annual reconciliation procedures, employer withholding obligations, filing deadlines, and penalties for non-compliance — all drawn from the Individual Income Tax Law of the People’s Republic of China (hereinafter referred to as “the IIT Law”) and its implementing regulations.

1. Who Is Considered a “Local Employee” for IIT Purposes?

Under China’s IIT Law, a “local employee” (also referred to as a “resident individual”) is defined in Article 1 as any person who has a domicile in China, or who has resided in China for an aggregate of 183 days or more in a tax year (January 1 to December 31). Chinese nationals are always considered resident individuals. Foreign nationals who meet the 183-day threshold are also resident individuals, though they benefit from certain additional deductions and treaty protections not available to local employees.

For the purposes of this article, we focus on Chinese national employees — the most common category for local hires. Their worldwide income is subject to Chinese IIT from day one of employment with a Chinese entity, and the employer is required to withhold and remit tax on a monthly basis.

It is critical for foreign employers to correctly classify workers. Misclassifying an employee as an independent contractor or failing to register an employment relationship through the official social insurance and tax systems can trigger back-tax assessments, fines, and even criminal liability under the IIT Law and the Social Insurance Law.

2. What Is the Monthly IIT Calculation Formula?

The monthly IIT payable for a local employee is calculated using the following formula, established under Article 6 of the IIT Law and further detailed in the Implementing Regulations:

Let us break down each component:

• Gross Monthly Salary: All monetary compensation including base salary, allowances, bonuses, commissions, overtime pay, and any non-cash benefits assessed at fair market value.
• Social Insurance (Employee Portion): Mandatory contributions to pension, medical, unemployment, and work-related injury insurance. The employee portion typically ranges from 10% to 12% of the salary base (capped at 300% of the local average wage).
• Housing Fund (Employee Portion): Mandatory housing provident fund contribution, typically 5% to 12% of the salary base, matched by the employer.
• Standard Deduction: A flat RMB 5,000 per month (RMB 60,000 per year) available to all taxpayers, introduced by the 2018 reform.
• Special Additional Deductions: Six categories of deductions for specific life circumstances (detailed in Section 4 below).

The resulting monthly tax liability is then withheld by the employer and remitted to the tax authorities on behalf of the employee. Employers who fail to withhold correctly are jointly liable for any shortfall.

3. What Are the Progressive Tax Rates for Local Employees?

China’s IIT uses a seven-level progressive tax rate schedule for comprehensive income (which includes wages and salaries, remuneration for personal services, author’s remuneration, and royalties). The rates range from 3% to 45% and are applied to cumulative annual taxable income. The full table, as prescribed in Article 3 of the IIT Law, is as follows:

The “quick deduction” is a mathematical constant that simplifies the calculation by eliminating the need for bracket-by-bracket computation. For example, an employee with an annual taxable income of RMB 200,000 would owe: (200,000 × 20%) − 16,920 = RMB 23,080 in tax for the year.

Note that while the rate schedule is annual, employers apply the cumulative withholding method (累計預扣法) throughout the year. Under this method, the employer recalculates the cumulative annual tax each month using the cumulative taxable income year-to-date, applies the annual rate table, subtracts tax already withheld in prior months, and withholds the difference. This ensures that the total tax withheld over 12 months matches the annual liability without requiring a large reconciliation at year-end for most employees.

4. What Special Additional Deductions Are Available?

The 2018 IIT reform introduced six “Special Additional Deductions” (專項附加扣除), codified in Article 6 of the IIT Law and detailed in the State Council’s Measures for Special Additional Deductions. These deductions reduce taxable income based on the taxpayer’s actual life circumstances. The employee must declare eligibility, and the employer factors the deductions into monthly withholding calculations.

The six categories are:

1. Children’s Education: RMB 1,000 per month per child (RMB 2,000 per month from 2023 onward under the enhanced policy) for children aged 3 or above receiving学前教育 (pre-school education) or formal education, up to the doctoral level. Can be split between parents or claimed by one parent.
2. Continuing Education: RMB 400 per month for academic/vocational qualifications (maximum 48 months) or RMB 3,600 per year for professional certifications in the year the certificate is obtained.
3. Housing Loan Interest: RMB 1,000 per month for the first-home mortgage interest of a taxpayer (or spouse) who is a first-home buyer. Maximum deduction period is 240 months.
4. Housing Rent: Varies by city tier: RMB 1,500 per month in municipalities/ provincial capitals/plan-listed cities; RMB 1,100 per month for cities with a population over 1 million; RMB 800 per month for other cities. Cannot be claimed simultaneously with housing loan interest deduction for the same taxpayer.
5. Elderly Care: RMB 2,000 per month (increased from RMB 1,000 prior to 2023) for supporting parents aged 60 or above, or grandparents whose children have predeceased them. For single-child families the full amount is claimable; for siblings, the total is shared.
6. Medical Expenses for Serious Illness: Deduction for out-of-pocket medical expenses exceeding RMB 15,000 in a tax year, up to a cap of RMB 80,000. Claimed during annual reconciliation rather than monthly withholding.

These deductions have a substantial cumulative effect. A typical employee supporting two elderly parents, paying a mortgage, and raising one child could reduce monthly taxable income by RMB 5,000 or more — effectively doubling the standard deduction and potentially saving thousands of RMB in tax annually.

Employers should proactively educate local employees about these deductions. Many Chinese employees are unaware of their eligibility or how to register through the official “Ge Ren Shui Wu” (Personal Tax) app. A brief HR communication during onboarding and before each year’s annual reconciliation period can significantly improve employee satisfaction and ensure accurate withholding.

5. How Does the Annual Reconciliation (Annual Settlement) Work?

One of the most important features of the post-2018 IIT system is the Annual Reconciliation (年度匯算清缴), also referred to as the annual settlement. Under Article 11 of the IIT Law, all resident individuals must reconcile their annual tax liability between March 1 and June 30 of the following year.

The reconciliation works as follows:

• The taxpayer calculates total annual comprehensive income (all salary, bonuses, service fees, author’s remuneration, and royalties received during the calendar year).
• The taxpayer deducts the annual standard deduction (RMB 60,000), actual social insurance and housing fund contributions, and all eligible special additional deductions for the full year.
• The resulting annual taxable income is applied to the 7-level rate table to determine the true annual tax liability.
• This true liability is compared against the total tax already withheld by the employer(s) during the year.
• If excess tax was withheld, the taxpayer applies for a refund through the “Ge Ren Shui Wu” app or via the tax bureau.
• If insufficient tax was withheld, the taxpayer must pay the difference by June 30.

The cumulative withholding method used by employers means that for most employees with a single employer and stable income, the annual reconciliation will result in a near-zero balance or a small refund. However, employees who:

• Changed jobs during the year (resulting in the standard deduction being applied twice in the same month across employers),
• Had multiple sources of income,
• Had significant year-end bonuses,
• Or failed to declare special additional deductions properly during the year,

…may face a significant tax balance due — or a substantial refund — at reconciliation time. Employers should budget for and communicate about this process to avoid surprises.

For foreign employers, an important consideration: the annual reconciliation is the employee’s personal obligation, not the employer’s. However, the employer may be requested to provide income verification documents. Best practice is to issue a year-end income summary to each employee and remind them of the March–June reconciliation window.

6. What Are the Employer’s Withholding Obligations?

Under Article 9 of the IIT Law, the employer is designated as the withholding agent (扣繳義務人) for its employees. This carries three core obligations:

1. Registration: The employer must register each employee’s tax information with the local tax bureau upon commencement of employment, typically through the official “Natural Person Tax Management System.”
2. Monthly Withholding and Remittance: The employer must calculate the correct IIT for each employee using the cumulative withholding method, deduct it from the employee’s salary, and remit the amount to the tax authorities by the 15th day of the following month. Late payment attracts a daily surcharge of 0.05% of the overdue amount (Article 32 of the Tax Collection and Administration Law).
3. Annual Reporting: The employer must submit an annual summary report of all tax withheld for each employee to the tax bureau.

Failure to fulfill these obligations can result in serious penalties. Under Article 69 of the Tax Collection and Administration Law, a withholding agent who fails to withhold tax is liable for 50% to 300% of the unwithheld amount. Additionally, the tax bureau can pursue the overdue tax directly from the employer, and in cases of intentional evasion, criminal liability under Article 201 of the Criminal Law may apply — carrying fines and potential imprisonment.

Many foreign companies in China outsource payroll and IIT compliance to a Professional Employer Organization (PEO) or a licensed payroll service provider. This is a sensible risk-management strategy, but the legal liability ultimately remains with the employing entity. Foreign companies should conduct due diligence on any third-party provider and retain the right to audit their compliance processes.

7. What Are the Key Filing Deadlines?

Compliance with IIT deadlines is non-negotiable. The table below summarizes the critical dates for employers and employees:

It is worth noting that the Chinese tax authorities have significantly digitized IIT compliance in recent years. The “Ge Ren Shui Wu” app (available on iOS and Android) allows employees to register deductions, view annual tax records, and file the annual reconciliation entirely online. For employers, the electronic tax bureau (電子稅務局) portal enables monthly withholding submission, payment, and record-keeping. Most city-level tax bureaus also accept direct debit authorizations for monthly remittances.

Despite the digitization, audits remain common. Tax bureaus in major cities such as Shanghai, Beijing, and Shenzhen have dedicated IIT inspection teams that cross-check employer-submitted withholding data against social insurance contribution records, bank payroll records, and employees’ personal filings. Discrepancies — even unintentional ones — can trigger a desk audit or an on-site inspection.

8. Year-End Bonus: A Special IIT Rule

Year-end bonuses (年终奖) are a deeply ingrained practice in Chinese corporate culture, often equaling one to several months’ salary. Under a transitional policy (Caishui [2018] No. 164), extended through December 31, 2027, by Caishui [2021] No. 42 and subsequent announcements, local employees can elect to have their year-end bonus taxed under a separate, preferential calculation method rather than being aggregated with annual comprehensive income.

The separate method works as follows:

1. Divide the total year-end bonus amount by 12 months.
2. Apply the amount-per-month to the monthly tax rate table (same brackets as the table in Section 3, but using the monthly column).
3. Multiply the resulting tax rate (minus the monthly quick deduction) by the total bonus amount.

This can result in significantly lower tax, particularly for employees whose annual income (including the bonus) would push them into a higher bracket under the aggregation method. However, the election can only be used once per tax year, and the employer and employee must jointly decide by the time of payment.

Employers should have a documented policy on year-end bonus tax treatment and communicate the trade-offs to employees before the December payroll run. Many HR teams run parallel calculations (aggregated vs. separate) to determine the optimal election for each employee.

9. What Are the Penalties for Non-Compliance?

China’s tax enforcement has become increasingly rigorous. The consequences of IIT non-compliance fall into three categories:

• Administrative Penalties: Late payment of withheld tax attracts a daily surcharge of 0.05% (approximately 18.25% annually). Failure to file correct returns can result in fines of RMB 2,000 to RMB 10,000 under Article 62 of the Tax Collection and Administration Law. Failure to withhold tax correctly can result in a penalty of 50% to 300% of the unwithheld amount.
• Tax Blacklist and Credit Scoring: Companies and individuals with serious tax violations are placed on a public “tax blacklist” (稅收違法黑名單). This triggers restrictions on government procurement, visa processing, banking services, and eligibility for tax incentives. China’s social credit system increasingly integrates tax compliance data.
• Criminal Liability: Under Article 201 of the Criminal Law, intentional tax evasion exceeding RMB 50,000 and constituting more than 10% of the tax payable is a criminal offense, punishable by up to seven years’ imprisonment and significant fines. Corporate entities can also be held criminally liable under Article 211, with responsible officers facing personal prosecution.

For foreign companies, reputation risk is an additional concern. A tax violation in China may trigger reverse-charge reporting obligations under the home country’s foreign corrupt practices legislation or anti-money laundering regulations. Several multinational corporations have faced simultaneous investigations by Chinese and home-country authorities over payroll tax issues.

10. Where to Go From Here