(1)
Except as permitted in Sentence 7.1.5.3.(3), an outlet from a non- potable water system shall not be located where it can discharge into, (0.a) a sink or lavatory,
(a)
a fixture into which an outlet from a potable water system is discharged, or
(b)
a fixture that is used for a purpose related to the preparation, handling or dispensing of food, drink or products that are intended for human consumption.