Article 17. Of the personnel serving at the time of the enforcement of this Law in the Ministry of Communications, those who are serving in the Postal Bureau, Postal Savings Bureau, Post Office Life Insurance Bureau of the Ministry of Communications;those serving in the post offices of which the chiefs are the Heads of Special Post Offices and those serving in the post offices other than those of which the chiefs are the Heads of Special Post Offices (limited to those engaged in the field services of the Postal, Postal Money Order, Postal Savings, Post Office Life Insurance, Post Office Annuities and their subsidiary businesses) shall be deemed to have been appointed as the personnel of the Ministry of Postal Services with the same service conditions;those who are serving in the Telegraph and Telephone Bureau, Telecommunications Engineering Bureau, Radio Bureau of the Ministry of Communications, Telecommunications Laboratory, Telephone Offices, Telegraph Offices, Telecommunications Construction Offices;and those serving in the post offices other than those of which the chiefs are the Heads of Special Post Offices (limited to those engaged in the field services of the telecommunications and their subsidiary businesses) shall be deemed to have been appointed as the personnel of the Ministry of Telecommunications with the same conditions;and the personnel other than those mentioned above shall, as to be designated by the Minister of Communications, be deemed to have been appointed as the personnel of the Ministry of Postal Services or the Ministry of Telecommunications with the same service conditions. However, those who have been appointed otherwise with official announcements shall be excepted.