4..4  Comment:  It is important that theprocesses for granting therapeutic useexemptions become more harmonized.Athletes who use medically prescribedProhibited Substances may be subject tosanctioning unless they have previouslyobtained a therapeutic use exemption.However, currently many sporting bodieshave no rules permitting therapeutic useexemptions; others follow unwrittenpolicies; and only a few have writtenpolicies incorporated into their anti-dopingrules.