Employee
Restricted stock and RSUs are usually taxed upon vesting when the employees satisfy the conditions to become owners of the stock. For tax purposes, RSUs are deemed as remuneration paid in kind.
The fair market value of the stocks constitutes employment income for employees.
Therefore, they are assessed along with other remunerations (eg, salaries, bonuses, wages, etc.) paid in the same tax period to determine the tax bracket and progressive rate of the employee.
Employer
Employment income is taxed progressively, ranging from 0 to 40 percent based on income levels. This tax is withheld monthly by employers acting as withholding agents.
When employers issue Restricted Stock Units (RSUs) directly to employees, they must withhold taxes upon vesting. If the RSUs consist of stocks from a related company (eg, the employer's parent company) and the employer covers the RSU costs (eg, reimburses the parent company), the employer remains liable to withhold employment taxes. Otherwise, employees must self-declare RSUs as part of their income.
If RSUs are granted by the foreign company but the local employer does not reimburse such costs, then the local employee must self-withhold, declare and pay taxes for the RSUs.
Withholding & Reporting
If the local employer holds the position of withholding agent as explained above, it must file tax returns within the first days of the month following the payment of the remunerations or benefits derived from the plans. Otherwise, the eligible employee must self-withhold, declare and pay taxes as explained above.
Deduction
If benefits derived from the plan are paid directly or borne by the local employer, the inclusion of such benefits in the employee’s compensation (subject to the payroll process of the respective period) and the existence of supporting documentation signed by the employee (eg, annex where they acknowledged the terms and conditions of the plan) should enable the subsidiary to deduct such cost for tax purposes.
If the benefits from the plan are paid by the issuing company (usually a foreign parent company) and charged back to the local employer afterwards, the inclusion of such benefits in the employee’s compensation (subject to the payroll process of the respective period), the existence of supporting documentation signed by the employee (eg, annex where they acknowledged the terms and conditions of the plan) and intercompany agreements between local employer and the issuing company, should enable the subsidiary to deduct such cost for tax purposes.