Regulations Governing Licences and Ratings for Airmen Article 118
Certificate holder which issued by article 115 and 116, when meet the periodical renewal of ratings ,renewal of overdue ratings, added rating in accordance with article 7,shall provide photocopy of employment approval issued by the appropriate central labor authority.The duration of validation of the certificate shall be issued identically to the duration of employment approval issued by the appropriate central labor authority, for the certificate issued in accordance with the paragraph above and the holders work in R.O.C.Holders of licences issued pursuant to Article 117 shall provide photocopies of the completion certificate issued by a civil aviation training institution originally approved by the CAA when applying for renewal of ratings, renewal of overdue ratings by less than 12 months, or added rating in accordance with Article 7.