AN ACT TO AMEND SUBSECTION (E) OF SECTION SIX OF ACT NUMBERED EIGHTEEN HUNDRED AND SEVENTY AS AMENDED BY SECTION FOUR OF ACT NUMBERED TWENTY-SEVEN HUNDRED AND FIFTY-NINE FOR THE PURPOSE OF EMPOWERING THE BOARD OF REGENTS TO GRANT IN ITS DISCRETION LEAVE OF ABSENCE UNDER SUCH REGULATIONS AS IT MAY PROMULGATE.