All of the quality measures for which solo practitioners and groups (or individual eligible professionals within such groups) are eligible to report under the Physician Quality Reporting System in a given calendar year are used to calculate the value-based payment modifier for the applicable payment adjustment period, as defined in Sec. 414.1215, to the extent a solo practitioner or a group (or individual eligible professionals within such group) submit data on such measures. [79 FR 68006, Dec. 13, 2014]