RCW 59.18.210Tenancies from year to year except under written contract.Tenancies from year to year are hereby abolished except when the same are created by express written contract. Leases may be in writing or print, or partly in writing and partly in print, and shall be legal and valid for any term or period not exceeding one year, without acknowledgment, witnesses or seals.[ 1973 1st ex.s. c 207 s 21.]
Washington Legal Code