Information letter: Independent audits relating to oil trucking costs

November 2025 (replaces May 2017 version)

This Information Letter describes how Indian Oil and Gas Canada's (IOGC) applies the requirement for an independent audit of actual oil trucking costs for subsurface contracts that contain a trucking cost clause.

Net royalty

Many of IOGC's oil subsurface contracts state that the net royalty payable on oil is equal to the gross royalty on oil less the eligible trucking costs for oil.

Gross royaltyTrucking costs = Net royalty

Trucking cost clause definitions

In these subsurface contracts, trucking costs are defined as either:

Independent audit requirements of actual trucking costs

Background

Additional information

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