Akukho luhlu lwemigangatho yobungqina bokudubula kothuli nerhasi, njengoko zilawulwa yimigangatho eyahlukeneyo yesizwe. Isiqinisekiso sokukhusela uthuli silandela umgangatho we-GB12476, ngelixa isatifikethi sobungqina bokudubula kwegesi sibambelela kwi-GB3836.
Imigangatho eyahlukileyo ithetha ukuba iimvavanyo eziqhutywe ngexesha lenkqubo yokuqinisekisa ziyahluka. Ngoko ke, ezi ntlobo zimbini zezixhobo zokuthintela uqhushumbo azitshintshi kwaye azinakuthatha indawo enye kwenye.