New South Wales Consolidated Acts(cf model provisions, s 12)
(1) For the purposes of this Chapter, the "base" of a driver of a heavy vehicle or heavy combination is:(a) the place recorded for the time being as the driver’s base in the log book kept by the driver of the heavy vehicle or heavy combination, or(b) if no place is recorded as specified in paragraph (a)-the garage address of the heavy vehicle or towing vehicle of the heavy combination, as recorded by an Australian Authority, or(c) if no place is recorded as specified in paragraph (a) or (b)-the place from which the driver normally works and receives instructions.
(2) For the purposes of this section, if a driver is a self-employed driver and an employed driver at different times, the driver may have one base as a self-employed driver and another base as an employed driver.
(3) For the purposes of this section, if a driver has 2 or more employers, the driver may have a different base in relation to each employer.