In the case of a violation of this Chapter 14-1000, L&I may issue orders directing compliance with the requirements of this Chapter. An order shall be served upon the owners or person determined by L&I to be violating the requirements of this Chapter. If the person served is not the owner of the property where the violation is deemed to exist or to have occurred, a copy of the order shall be sent to the last known address of the registered owner and a copy shall be posted on the property. Where the owner's address is unknown, a copy of the order shall be posted on the property.