<prompt> Translate the following text to EnglishKama ilivyoelezwa hapo awali, kama hakuna tofauti za msingi kutokea, kuwasili na kuondoka nyakati na saa kazi kwa siku haihitaji kurekodiwa.  <response>: As previously noted, if no material variances occur, arrival and departure times and hours worked per day need not be recorded. 