Final answer:
The Food and Drug Administration Amendments Act (FDAAA) of 2007 switched jurisdiction for Rx drug advertising to the FDA.
Step-by-step explanation:
The federal statute that switched jurisdiction for Rx drug advertising to the FDA is the Food and Drug Administration Amendments Act (FDAAA) of 2007. This act expanded the FDA's authority and responsibilities in regulating the promotion and advertising of prescription drugs. Prior to the FDAAA, the jurisdiction for Rx drug advertising was primarily the responsibility of the pharmaceutical manufacturers themselves.