(1) Notice of examination shall be given by legible notices for a period of six months prior to the examination. The date and location of the examination shall be announced at least thirty days preceding the examination, and the conditions of eligibility shall be fully stated on the notices. Notices shall be furnished by the office of active and inactive mines and posted in a conspicuous place at each coal mine by the operator of such mine.
(2) The office of active and inactive mines shall provide all candidates who take the examination with mathematical formulas to be used in the answering of questions given.
(3) The examination papers of all applicants who earn certificates of competency shall be kept, with the complete list of questions and their correct solutions, by the office of active and inactive mines for a period of two years.
(4) Application forms shall be provided by the office of active and inactive mines. Completed applications shall be returned at least fifteen days prior to the date of the examination.