According to the 2022 CPC, storm water drainage is prohibited from being discharged into a sanitary sewer system, except under which of the following conditions?

• When the sanitary sewer system is oversized and has excess capacity.
• Where such discharge is in accordance with the requirements of the local sewer authority.
• For a period not exceeding 24 hours during emergency roof repairs.
• When the storm water is first treated by an approved interceptor.