<prompt> Translate the following text to EnglishWenye ruzuku hawawezi kuendelea kuwakilisha katika suala la ustawi hata wakati changamoto ya uhalali wa kikatiba au kisheria inakuwa dhahiri baada ya uwakilishi uko vizuri.  <response>: Grantees cannot continue representation in a welfare matter even where a constitutional or statutory validity challenge becomes apparent after representation is well under way. 