Article 9 of the Interim Measures for the Regular Registration of Primary and Secondary School Teachers' Qualifications shows that:

In any of the following circumstances, the registration shall be suspended:

(a) within the validity period of registration, the teacher training hours prescribed by the state or the equivalent credits prescribed by the provincial education administrative department have not been completed;

(two) the suspension of education, teaching and education management for more than one semester, except for further study, training, academic exchange, sick leave and maternity leave approved by the school or the administrative department of education;

(3) Failing to pass the annual assessment in any year during the registration period. Those who meet the requirements for regular registration after the suspension of registration may apply for regular registration again. The specific measures shall be formulated by the provincial education administrative department according to the actual situation.