prohibited period to be major shareholder clause 4 (4)(5)(6)(7)(8) or (9) of the Notification of the Ministry of Finance minimal moderate intense one year three years five years clause 4 (10) of the

following businesses: (a) rail or pipe transportation system; (b) electricity; (c) water supply; (d) road, toll road or concession road; (e) airport; (f) deep sea port; (g) telecommunication or information