When establishing an employment relationship, a written labor contract shall be concluded.

If a labor relationship has been established but no written labor contract has been concluded at the same time, a written labor contract shall be concluded within one month from the date of employment.

If an employer and an employee conclude a labor contract before employment, the labor relationship shall be established from the date of employment.

建立劳动关系，应当订立书面劳动合同。

已建立劳动关系，未同时订立书面劳动合同的，应当自用工之日起一个月内订立书面劳动合同。

用人单位与劳动者在用工前订立劳动合同的，劳动关系自用工之日起建立。