tary geometry and algebra, and book-keeping. The percentage required to pass any branch shall be prescribed by the State Superintendent. In addition to these regular grades of certificates the county superintendent may grant a permission to teach until the next regular examination to any person applying at any other time than at a regular examination who can show satisfactory reasons for failing to attend such examination, subject to rules and regulations to be prescribed by the State Superintendent. The written answers of all candidates for county certificates after being duly examined [by the county superintendent, shall be kept] by him for the space of six months after such examinations, and any candidate, thinking an injustice has been done him or her, by paying a fee of two (2) dollars into the institute fund of the county and notifying both county and State Superintendent of the same, shall have his or her papers re-examined by the State Superintendent; the county or city superintendent shall on receipt of such notice from said complaining candidate, transfer said papers to the State Superintendent, who shall re-examine such answers and grant, if such answers warrant it, a county certificate for the same.
§ 122. QUALIFICATION OF TEACHERS.] No certificate or permission to teach shall be issued to any person under eighteen years of age; and no first grade certificate shall be issued to any person who is under twenty years of age and who has not taught successfully twelve school months; the certificates issued by a county superintendent shall be valid only in the county where issued, Provided, That a first grade certificate may be renewed once without examination at the discretion of the county superintendent; Provided, further, That a first grade certificate shall be valid in any other county in the State when endorsed by the county superintendent of such county. No person shall be employed or permitted to teach in any of the public schools of the State, except those in cities organized for school purposes under special laws, who is not the holder of a lawful certificate of qualification or such temporary permission. Any contract made in violation of this section shall be void.
§ 123. FEE FOR CERTIFICATE.] Every applicant for a county certificate shall pay one (1) dollar to the vounty superintendent, which shall be used by him in the support of teachers' institutes in the county.
§ 124. CERTIFICATES, WHEN REVOKABLE.] The county superintendent is authorized and required to revoke and annul at any time a certificate granted by him or his predecessor for any cause which would have authorized or required him to refuse to grant it if known at the time it was granted, and for incompetency, immorality, intemperance, cruelty. crime against the State law, refusal to perform his duty, or general neglect of the business of the school. The revocation of the certificate shall terminate the employment of such teacher in the school where
