5.— Section 38A (inserted by section 8 of the Act of 2009) of the Principal Act is amended in subsection (5) by substituting the following for the definition of “contributions”:

“ ‘contributions’ means—

(a) employment contributions,

(b) self-employment contributions,

(c) voluntary contributions,

(d) optional contributions, or

(e) health contributions within the meaning of the Health Contributions Act 1979.”.