(1) For the purposes of section 38, an “employee benefit contribution” is made if, as a result of any act or omission—

(a) property is held, or may be used, under an employee benefit scheme, or

(b) there is an increase in the total value of property that is so held or may be so used (or a reduction in any liabilities under an employee benefit scheme).

(2) For this purpose “employee benefit scheme” means a trust, scheme or other arrangement for the benefit of persons who are, or include, present or former employees of the employer.