(1) Where 2 or more persons are liable under this Division in respect of the same conduct or the same loss or damage, they are so liable jointly and severally. (2) Nothing in section 817, 818, or 819:

(a)

affects a liability arising otherwise than by virtue of this Division; or

(b)

notwithstanding paragraph (a) of this subsection, entitles a person to be compensated twice in respect of the same loss or damage; or

(c)

makes a person guilty of an offence.