If the route length used in the commissioner's assessment of the tax payable in relation to a network facility for a year is different from that stated in the owner's return for the facility for the year, the assessment must also include a statement about—
(a) the information the commissioner used in the assessment; and
(b) the way the commissioner estimated the route length.
Note Assessments are made under the Taxation Administration Act 1999 and objections may be made under that Act, s 100 (1) (a).