23. (1) In this section, “response time” means the time measured from the time a notice is received to the earlier of the following: 1. The arrival on-scene of a person equipped to provide any type of defibrillation to sudden cardiac arrest patients. 2. The arrival on-scene of the ambulance crew.  O. Reg. 267/08, s. 1 (2). (2) No later than October 1 in each year after 2011, every upper-tier municipality and every delivery agent responsible under the Act for ensuring the proper provision of land ambulance services shall establish, for land ambulance service operators selected by the upper-tier municipality or delivery agent in accordance with the Act, a performance plan for the next calendar year respecting response times.  O. Reg. 267/08, s. 1 (2); O. Reg. 368/10, s. 1 (1). (3) An upper-tier municipality or delivery agent to which subsection (2) applies shall ensure that the plan established under that subsection sets response time targets for responses to notices respecting patients categorized as Canadian Triage Acuity Scale (“CTAS”) 1, 2, 3, 4 and 5, and that such targets are set for each land ambulance service operator selected by the upper-tier municipality or delivery agent in accordance with the Act.  O. Reg. 267/08, s. 1 (2). (4) An upper-tier municipality or delivery agent to which subsection (2) applies shall ensure that throughout the year the plan established under that subsection is continuously maintained, enforced and evaluated and, where necessary, updated, whether in whole or in part.  O. Reg. 267/08, s. 1 (2). (5) An upper-tier municipality or delivery agent to which subsection (2) applies shall provide the Director with a copy of the plan established under that subsection no later than October 31 in each year, and a copy of any plan updated, whether in whole or in part, under subsection (4) no later than one month after the plan has been updated.  O. Reg. 267/08, s. 1 (2). (6) An upper-tier municipality or delivery agent to which subsection (2) applies shall report to the Director, as required from time to time by the Director and on forms or in a manner provided or determined by the Director, on any matter relating to, (a) the nature and scope of the plan established under that subsection or updated under subsection (4); and (b) the establishment, maintenance, enforcement, evaluation and updating of the plan.  O. Reg. 267/08, s. 1 (2). (7) Without limiting the generality of subsection (6), no later than March 31 in each year after 2013, an upper-tier municipality or delivery agent to which subsection (2) applies shall report to the Director on the following matters for the preceding calendar year: 1. The percentage of times that a person equipped to provide any type of defibrillation has arrived on-scene to provide defibrillation to sudden cardiac arrest patients within six minutes of the time notice is received. 2. The percentage of times that an ambulance crew has arrived on-scene to provide ambulance services to sudden cardiac arrest patients or other patients categorized as CTAS 1 within eight minutes of the time notice is received respecting such services. 3. The percentage of times that an ambulance crew has arrived on-scene to provide ambulance services to patients categorized as CTAS 2, 3, 4 and 5 within the response time targets set by the upper-tier municipality or delivery agent under its plan established under subsection (2).  O. Reg. 267/08, s. 1 (2); O. Reg. 368/10, s. 1 (2). (8) Without limiting the generality of subsection (6), an upper-tier municipality or delivery agent to which subsection (2) applies shall report to the Director on the performance of each land ambulance service operator selected by the upper-tier municipality or delivery agent in accordance with the Act in respect of the targets set for that operator under subsection (3).  O. Reg. 267/08, s. 1 (2).