140, when applying for a new certificate of title. In Washington, that is RCW 9A.60.020.Signing another person's name is not necessarily forgery. Complete the title transfer within 15 days of the sale to avoid penalties. Submitting the completed title application and necessary documents within 15 days of the sale prevents potential penalties. You need to contact a lawyer ASAP or contact the original title owner ASAP.. Contact a lawyer first. This is not going to go well for you or the owner's cousin. How do I file to quiet title to a vehicle? This is a checklist of what to do, from filling out the forms to getting a signed court order.