RCW 64.34.418

In the case of a sale of a unit where delivery of a public offering statement is required, a contract of sale may be executed, but no interest in that unit may be conveyed until (1) the declaration and survey map and plans which create the condominium in which that unit is located are recorded pursuant to RCW 64.34.200 and 64.34.232 and (2) the unit is substantially completed and available for occupancy, unless the declarant and purchaser have otherwise specifically agreed in writing as to the extent to which the unit will not be substantially completed and available for occupancy at the time of conveyance.