The Regulations provide for rules concerning the discharge of water through the public sewer system by domestic premises and industries. Industrial waste water shall not be discharged without a permission from the General Manager of the Water Authority (art. 4). Owners or occupiers of premises are required to connect to the public sewer system (art. 5). Private sewers are to comply with requirements of the general systems (art. 14). Permissions to carry out sewerage works shall be obtained from the General Manager and construction plans be submitted (arts. 16-34). Prohibited discharges are regulated in article 9-11.