1. Short title This Act may be cited as the Securing America’s Pharmaceutical Supply Chain Act . 2. Requirement to purchase pharmaceuticals from the United States (a) In general Except as provided in subsection (b), the head of an executive agency may only purchase a covered drug if the drug is over 50 percent sourced, manufactured, and assembled in the United States. (b) Exception The head of an executive agency may waive the requirement of subsection (a)— (1) if the covered drug is not available in sufficient quantity or quality as over 50 percent sourced, manufactured, and assembled in the United States