<prompt> Translate the following text to EnglishViwango vya kazi ya shamba kwa ajili ya ukaguzi wa utendaji inahusiana na mipango ya ukaguzi, kusimamia wafanyakazi, kupata kutosha, uwezo, na ushahidi husika, na kuandaa nyaraka ukaguzi.  <response>: The field work standards for performance audits relate to planning the audit, supervising staff, obtaining sufficient, competent, and relevant evidence, and preparing audit documentation. 