Holding tanks shall not be used as a means of sewage disposal for new construction. The Health Officer may authorize the use of a holding tank as a method of sewage collection and disposal under the following conditions: As a temporary means of sewage disposal during repair or remodel of an existing individual sewage disposal system. As a interim means of sewage disposal where correction of a malfunctioning septic system is impractical until such time as a connection to public sewer can be made. The property must connect to the public sewerage system when it becomes available to the property. Prior to issuance of a permit for a holding tank the applicant shall submit to the Health Officer a copy of a valid contract with a licensed septic tank scavenger. The contract shall indicate that the holding tank will be properly cleaned and maintained during its use. The holding tank must be maintained and emptied as necessary by a licensed scavenger to prevent a sewage disposal nuisance.