What is the required notice period for an employee resignation in Vietnam?

In Vietnam, a supported employee is required to provide prior notice before resignation as follows:

• At least 45 days if working under an indefinite-term employment agreement.
• At least 30 days if working under a definite-term employment agreement with a duration from 12 to 36 months.
• At least 3 working days if working under a definite-term employment agreement with a duration of less than 12 months.
• For certain sectors, occupations, and jobs, the period of prior notification shall follow the Government’s regulations.