Gas Pipeline Uniform Accounting Regulations

50 (1) Charges for depreciation with respect to accounts that are classed by section 51 as being accounts covering assets that are depreciable shall be computed in conformity with the group system.

(2) A company shall charge depreciation by using such one of the following methods as is chosen by the company and approved by the Commission for use by the company:

• (a) the straight line method;

• (b) the use or unit of production method;

• (c) the diminishing value method; or

• (d) any other systematic method consistent with generally accepted accounting principles.