(g) Sleeper berths.
(1) General property-carrying commercial motor vehicle. A driver who
is driving a property-carrying commercial motor vehicle that is equipped
with a sleeper berth, as defined in Sec. Sec. 395.2 and 393.76 of this subchapter, may accumulate the equivalent of 10 consecutive hours of off-duty time by taking a combination of at least 10 consecutive hours off-duty and sleeper berth time; or by taking two periods of rest in the sleeper berth, providing:
(i) Neither rest period is shorter than two hours;
(ii) The driving time in the period immediately before and after
each rest period,
when added together, does not exceed 11 hours;
(iii) The driver
does not drive after the 14th hour after coming on
duty following 10 hours off duty, where the 14th hour is calculated:
(A) by excluding any sleeper berth period of at least 2 hours which,
when added to a subsequent sleeper berth period, totals at least 10
hours, and
(B) by including all on-duty time, all off-duty time not spent in
the sleeper berth, all sleeper berth periods of less than 2 hours, and
any sleeper berth period not described in paragraph (g)(1)(iii)(A); and
(iv) The driver may not return to driving subject to the normal
limits under Sec. 395.3 without taking at least 10 consecutive hours
off duty, at least 10 consecutive hours in the sleeper berth, or a
combination of at least 10 consecutive hours off duty and sleeper berth
time.