309Driver must notify record keeper if electronic work diary

309 Driver must notify record keeper if electronic work diary filled up etc. (a) the driver of a fatigue-regulated heavy vehicle— (i) becomes aware that the driver’s electronic work diary has been filled up, destroyed, lost or stolen or is not in working order as mentioned in section 304(b)(ii); or (ii) becomes aware or has reason to suspect that the driver’s electronic work diary is malfunctioning or has malfunctioned; and (b) the driver’s record keeper is a person other than the driver. (2) The driver must, within 2 business days after the driver becomes aware of the matter, inform the driver’s record keeper of the matter.