Ibyerekeye imiterere y’amategeko yo gukomeza ibirego by’imirimo y’ivangura bituruka ku cyaha ku mwene w’umukoresha nyuma y’urupfu rw’uwo mwene, ariko inshingano z’icyaha zikarangwa mu buryo butaziguye ko zishobora gukomeza. Mu rwego rw’amategeko, nyine hakenewe gusuzuma uburyo ayandi mategeko yemerera cyangwa akabuza gukomeza izo ngingo nyuma y’urupfu rw’ukekwaho icyaha, kuko ingingo z’ubucamanza zishobora gutandukanye bitewe n’ibihugu n’imy’État y’amarangamutima y’uwari uyoboye icyaha.
Mu Rwanda, nk’ahandi henshi, nyuma y’urupfu rw’uwakoze icyaha, amakuru yihariye ku buryo ibintu bigenda n’imikoreshereze y’inyandiko y’ubutabera ni ngombwa; akenshi, urubanza rw’umwene w’uwakoze icyaha rushobora gukomeza ariko hifashishijwe amasezerano yihariye cyangwa andi mategeko. Ibiranga inshingano z’uwapfuye n’uwahungabanyijwe nabyo byasuzumwa mu buryo bwihariye mu bujurire.
Mu ncamake, imitungo y’umugenzi itanga inzira yo gukomeza ibirego bishobora kuba inkiko zishobora kubihagarika; ariko ibyo bigomba gukorwa mu murongo w’amategeko asanzwe yarateganijwe.