(1)If only one van is involved, an employee is a participating employee for the purposes of section 161 if—
(a)the van is available to the employee for the employee’s private use while it is a shared van, and
(b)the employee makes private use of it at least once while it is a shared van.
(2)If more than one van is involved, an employee is a participating employee for the purposes of section 161 if—
(a)one of the vans is available to the employee for the employee’s private use while it is a shared van, or
(b)some or all of the vans are available to the employee for the employee’s private use while they are shared vans,
and the employee makes private use of at least one of the vans involved while it is a shared van.
(3)In this section—
(a)any reference to a van being available for an employee’s private use includes a reference to the van being available for the private use of a member of the employee’s family or household, and
(b)any reference to an employee making private use of a van includes a reference to a member of the employee’s family or household making private use of it.