Phase 2 engineering work has not yet begun. The SLTC – SLTC concession period has obtained a concession period of 30 years, from February 2006 (date of signature of the STOA and approval by the President of the Republic of the Philippines) until February 2036. It covers the construction period that began in June 2006. The SLTC Operation and Maintenance – Under the STOA, MATES, has the mandate to automatically take over the operation and maintenance of SLT after the expiration of the PNCC franchise in April 2007. . . .