No grants shall be paid to any person in any county or municipality of this state unless the need for the payment of such grants in a county or municipality has been determined as provided in this Code section. The county board of education and the governing authority of the county shall meet during the month of April each year to investigate the requests for grants in such county and may meet on the call of the governing authority at any other time to make such determination. In the event it is determined that such need does exist, a resolution to that effect must be passed by the county board and the governing authority at such joint meeting. In the case of a municipal school system, the board of education thereof, the governing authority of the municipality involved, and the governing authority of the county shall meet during the month of April each year to determine whether a need for such grants exists in the municipality and may meet on the call of the governing authority at any other time to make such determination. In the event it is determined that such need does exist, a resolution to that effect must be passed by the local board, the governing authority of the municipality involved, and the governing authority of the county at such joint meeting. If it is determined that a need exists and a resolution to that effect is adopted as provided for in this Code section, applications for grants shall be filed by parents of children eligible to receive grants under this article with the school superintendent of the local public school system where such children are entitled by law to attend the public schools free of any tuition. Applications shall be made in writing in such form, manner, and time and shall contain such information as the State Board of Education shall prescribe. All such applications shall be turned over to the local board of education, reviewed by such board, and approved or disapproved by such board within 30 days after the date of filing with the local school superintendent.