Letter to U.S. Trade Representative: NAFTA Negotiations Share page: CHPA comments on what should be included in a sectoral annex on pharmaceuticals in the TBT chapter of NAFTA. Download Document Issues: OTC Medicines Related Posts Press Releases and Statements Rates for Teen Abuse of OTC Cough/Cold Medication Remains Low According to NIDA Survey Dec 18, 2024 Pediatric Cough/Cold Dosing Press Releases and Statements CHPA Joins U.S. Senators Grassley & Coons at Anti-Counterfeiting Event Dec 13, 2024