RCW 46.72B.130: Records.

A transportation network company must maintain the following records: (1) Individual trip records, except receipts pursuant to RCW 49.46.300 (9), for at least three years from the end of the calendar year in which each trip was provided; and (2) Individual records of drivers, except receipts pursuant to RCW 49.46.300 (9), at least until the end of the calendar year marking the three-year anniversary of the date on which a driver's relationship with the transportation network company has ended.