Electronic and Postal Communications (Mobile Number Portability) G.N. No. 422 (contd) (k) (l) (m) (n) (o) before the porting time, the number portability clearinghouse shall send a notification message to all service providers to make technical changes in their networks, so that the ported number shall be accessible from their networks and to all telephone network operators and public telephone communications service providers linked to the number portability clearinghouse(i) the donor shall disconnect the number and send a confirmation about disconnection of the number to the number portability clearinghouse; (ii) the number portability clearinghouse shall send a notification message to all licensees; pursuant to paragraph (n), the number portability process may be cancelled at any stage before the final notification is sent to all licensees that are connected to number portability clearinghouse; the donor and the recipient shall ensure that the number portability process shall last no longer than two working days; the number portability clearinghouse administrator, shall, at least two (2) working days prior to number porting electronically notify the recipient and donor on the(i) commencement of the number portability process; (ii) number deactivation and activation date; and (iii) time necessary to carry out the procedures; pursuant to sub-regulation (n) above, the donor and the recipient shall carry out instructions of the number portability clearinghouse administrator specified in these regulations and conditions on using the number portability clearinghouse; 100