The library is incorporated into and made a division of the Department of Law. The Attorney General shall keep and maintain under his supervision the library which shall be located in a building at the seat of state government and which shall be open to the general public Mondays through Fridays during the hours of 9:00 A.M. to 4:00 P.M. eastern standard time or eastern daylight time, whichever is applicable, legal holidays excepted. The Attorney General shall have authority to provide for the library to be opened during such additional days and hours as he deems either necessary or proper.