<prompt> Translate the following text to EnglishKikosi cha kazi cha pamoja cha Huduma ya Posta na Tume ya Kiwango cha Posta kilipendekeza maeneo kadhaa ambapo sheria maalum za ziada zinaweza kuhimiza zaidi uvumbuzi wa Huduma ya Posta.  <response>: A joint Postal Service-Postal Rate Commission task force suggested a number of areas where additional special rules might further encourage Postal Service innovation. 