Any of the
methodologies described in section 8.4 or permitted under section 8.5, may be
applied:
(a) on a
nominal basis (under which the Capital Base and Depreciation are expressed in
historical cost terms and all other costs and revenues are expressed in
current prices and a nominal Rate of Return is allowed); or
(b) on a
real basis under which the Capital Base, Depreciation and all costs and
revenues are expressed in constant prices and a real Rate of Return is
allowed); or
(c) on
any other basis in dealing with the effects of inflation,
provided that the
basis used is specified in the Access Arrangement, is approved by the Relevant
Regulator and is applied consistently in determining the Total Revenue and
Reference Tarrifs.
[Section 8.5A inserted: Gazette 7 January 2000 p.
62.]