Section 170.235 - Fixed ballast(a) Fixed ballast, if used, must be-(1) Installed under the supervision of the OCMI; and(2) Stowed in a manner that prevents shifting of position.(b) Fixed ballast may not be removed from a vessel or relocated unless approved by the Coast Guard Marine Safety Center. However, ballast may be temporarily moved for vessel examination or repair if done under the supervision of the OCMI.CGD 79-023, 48 FR 51010, Nov. 4, 1983, as amended by CGD 88-070, 53 FR 34537, Sept. 7, 1988; CGD 95-028, 62 FR 51218, Sept. 30, 1997; USCG-2007-0030, 75 FR 78084 , Dec. 14, 2010