…B. 46 FR 8975 , Jan. 27, 1981, as amended at 56 FR 28028 , June 18, 1991; 56 FR 29756 , June 28, 1991; 78 FR 16401 , Mar. 15, 2013] Subpart C—IRB Functions and Operations § 56.108 IRB functions and operations. In order to fulfill the requirements of these regulations, each IRB sh…