; and (III) on different types of ambulance services furnished in different geographic locations, including rural areas and low population density areas described in paragraph (12). (ii) Collection of cost data information For purposes of collecting the cost data information described in subparagraph (B)(iv), the Secretary shall use the sampling methodology described in subparagraph (B)(ii). (B) Specification of data collection system (i) In general Not later than 90 days after the date of enactment of this paragraph, the Secretary shall specify the data collection system developed under subparagraph (A), which shall consist of the basic data collection described in clause (iii) and the cost data information described in clause (iv), and the time period for which the reporting of such data is required under this paragraph. (ii) Selection of providers of services andambulance service providers required to submit cost data information (I) In general Subject to subparagraph (D)(ii), the Secretary shall determine a statistically appropriate sample of providers of services and ambulance service providers based upon the organizational designation of the provider of services or ambulance service provider as described in clause (iii)(I) to submit cost data information under clause (iv) for each period for which the reporting of such data is required, as specified under clause (i). (II) Implementation In determining an appropriate sample of providers of services and ambulance service providers under subclause (I), the Secretary shall promulgate an interim final rule and shall accept and consider public comments on the interim final rule for 30 days after the date of publication of such interim final rule. (III) Notification of providers of services and ambulance service providers selected Not later than 180 days after the date on which the Secretary has completed the basic data collection under clause (iii), the Secretary shall provide notice to those providers of services and ambulance service providers selected under