Texas Government Code - GOV'T § 531.302. Rules

(1) require a person who is eligible for prescription drug benefits to pay a cost-sharing payment;

(2) authorize the use of a prescription drug formulary to specify which prescription drugs the state program will cover;

(3) to the extent possible, require clinically appropriate prior authorization for prescription drug benefits in the same manner as prior authorization is required under the vendor drug program; and

(4) establish a drug utilization review program to ensure the appropriate use of prescription drugs under the state program.