The board is authorized in its sound discretion to:
(1) Enter into reciprocal agreements with corresponding boards of other states having qualifications and standards at least as high as those of this state, providing for reciprocal licensure without further examination of persons who have been duly licensed upon written examination. Approval of such agreements by the Governor, or any other officer or agency of this state, shall not be required; and (2) Issue licenses by reciprocity or endorsement, and without further examination, to persons who have been duly licensed upon written examination in another state having qualifications and standards at least as high as those of this state, or who have successfully passed the appropriate national examination.