At least 90 days prior to their anticipated start-up, New Sources, users that become a New Source subsequent to the promulgation of an applicable categorical pretreatment standard, and New Users considered by the County to fit the definition of an SIU, shall apply for a wastewater discharge permit and must submit to the County at least the information listed in PCC 13.06.260. New Sources and New Users cannot discharge without first receiving a wastewater discharge permit or authorization from the County. Both New Sources and New Users which are required to have a wastewater discharge permit shall include in their application information on any method of pretreatment they intend to use to meet applicable pretreatment standards, and shall provide at least estimates of the information requested in PCC 13.06.260.