(1) A power of attorney may be proved by production of the original instrument or of a copy which -

(a) is certified by the donor of the power or by a solicitor or member firm (within the meaning of the Stock Exchange Act, 1995), or in such other manner as the court approves, to be a true copy of the original, or

(b) where the instrument has been deposited in the Central Office of the High Court pursuant to section 22 is attested in accordance with that section.

(2) It is immaterial for the purposes of subsection (1) how many removes there are between the copy and the original or by what means (which may include facsimile transmission) the copy produced or any intermediate copy was made.

(3) This section is without prejudice to any other method of proof authorised by law.