Intermediate – Operator is not properly tracking/marking the number of days opened commercially processed, ready-to-eat, time/temperature control for safety food was held at refrigeration temperatures prior to freezing in order to properly date mark the food when it is thawed and held at refrigeration temperatures again. Observed opened packages of hot dogs missing date marking when hot dogs were removed from freezer. Hot dogs are opened and placed in ziplock bags and placed in walk-in freezer. Person in charge date marked all food items. **Corrected On-Site**