<prompt> Translate the following text to EnglishSheria ya sasa inazuia uwakilishi wa wageni wa H-2A kwa masuala yanayohusiana na mishahara, makazi, usafiri, na haki nyingine za ajira kama ilivyoainishwa katika mkataba maalum wa mfanyakazi chini ya ambayo mhamiaji huyo alikubaliwa.  <response>: Current law limits the representation of H-2A aliens to matters relating to wages, housing, transportation, and other employment rights as provided in the workers specific contract under which the nonimmigrant was admitted. 