Sec. 5. The board shall do the following:
(1) Prescribe and define grades of public library service and prescribe the qualifications that individuals must possess who are employed in each of the grades of public library service, giving due consideration to the population served and the income and salary schedule of each library.
(2) Make available the requirements for certification of all grades upon request and without charge to all prospective applicants.
(3) Issue certificates to candidates who apply for certificates and who, by reason of their academic or technical training and experience, are found to be suitable individuals to certify.
(4) Prescribe and define the qualifications of a library director, a head of a department or branch, or a professional assistant of a public library.
(5) Adopt rules under IC 4-22-2 that the board determines are necessary to administer this chapter.