WAC 308-330-460. Right of way for parking

The driver of any vehicle who first begins driving or maneuvering his/her vehicle into a vacant parking space shall have a prior right of way to park in such place, and it shall be unlawful for another driver to attempt to deprive him/her thereof by blocking his/her access or otherwise. For the purpose of establishing right of way in this section it shall be considered proper to back into any but a front-in angle parking space.