13. Section 11(1) of the principal Act is amended —
(a)
by deleting the word “and” at the end of paragraph (a); and
(b)
by deleting the full-stop at the end of paragraph (b) and substituting the word “; and”, and by inserting immediately thereafter the following paragraph:
“(c)
the claim has been made in such form and manner as the Commissioner may determine.”.