Legal analysis: it should be issued by the school unit. Maternity leave is a right clearly stipulated by Chinese law, and the employer has no right to ask the teacher to pay the substitute fee.

Legal basis: Article 25 of the Population and Family Planning Law of the People's Republic of China. Couples who have children in accordance with laws and regulations can get extended maternity leave or other welfare benefits.

Article 7 of the "Special Provisions on Labor Protection of Female Employees" allows female employees to enjoy 98 days of maternity leave, including 15 days before delivery; In case of dystocia, maternity leave shall be increased 15 days; For multiple births, the maternity leave can be increased by 1 5 days for each additional child. Female employees who miscarry less than 4 months after pregnancy are entitled to 15 days maternity leave; Abortion after 4 months of pregnancy is entitled to 42 days of maternity leave.