Geographic areas.

§ 510.105 Geographic areas.

(a) General. The geographic areas for inclusion in the CJR model are obtained based on a stratified random sampling of certain MSAs in the United States.

(1) All counties within each of the selected MSAs are selected for inclusion in the CJR model.

(2) Beginning with performance year 3, the selected MSAs are designated as either mandatory participation MSAs or voluntary participation MSAs.

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