(a) The standards, implementation specifications, and certification criteria adopted in this part apply to health information technology and the testing and certification of Health IT Modules.

(b) If any provision of this part is held to be invalid or unenforceable facially, or as applied to any person, plaintiff, or circumstance, it shall be construed to give maximum effect to the provision permitted by law, unless such holding shall be one of utter invalidity or unenforceability, in which case the provision shall be severable from this part and shall not affect the remainder thereof or the application of the provision to other persons not similarly situated or to other dissimilar circumstances.