Client Downloads & Resources Access a comprehensive offering of the most common client forms, lists and manuals. Accessible formats are available upon request to Human Resources. Prior Authorization Program ESC Prior Authorization Program Drug ListThis document lists all the drugs subject to the ESC Prior Authorization Program. Dynamic Therapeutic Formulary Dynamic Therapeutic Formulary Drug ListingThis document lists the most commonly prescribed drugs covered on DTF, and provides guidance on alternatives for drugs not covered on DTF. Dynamic Therapeutic Formulary Prior Authorization Drug List This document lists all the drugs subject to Prior Authorization within the Dynamic Therapeutic Formulary. Maintenance Medications Sample Maintenance Medications ListNot sure if your medication is considered maintenance? Check here for a sample list of our maintenance medications.