A plumbing system uses a combination waste and vent system for a floor sink in a commercial kitchen. According to the 2022 CPC, which of the following statements about such a system is correct?

• The horizontal branch drain length is unlimited.
• It is permitted for fixtures on different floor levels.
• It is permitted only where fixtures are on the same floor level and the horizontal branch drain length meets specific limits.
• It requires a separate vent stack for each fixture.