Obligation of the specified service provider, to whom request has been made under regulation 4, to provide Domestic Leased Circuits or Local Lead of Domestic Leased Circuit(s).-(1) The specified service provider to whom request has been made under regulation 4 for provision of the Domestic Leased Circuits or Local Lead of Domestic Leased Circuit(s), as the case may be, shall, within thirty days of receipt of such request, send to the specified service provider who made such request (hereafter referred to as the requesting specified service provider),