StacksVerified U.S. regulatory reference

10 CFR §35.657

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The licensee shall perform acceptance testing on the treatment planning system of therapy-related computer systems in accordance with published protocols accepted by nationally recognized bodies. At a minimum, the acceptance testing must include, as applicable, verification of:
  1. (a)The source-specific input parameters required by the dose calculation algorithm;
  2. (b)The accuracy of dose, dwell time, and treatment time calculations at representative points;
  3. (c)The accuracy of isodose plots and graphic displays;
  4. (d)The accuracy of the software used to determine sealed source positions from radiographic images; and
  5. (e)The accuracy of electronic transfer of the treatment delivery parameters to the treatment delivery unit from the treatment planning system.