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Fariz A. Guliyev: The economics of financial securities for environmental obligations and
                                                      their impact in royalty revenues from Alberta oil sands in North America


               amount subject to corporate tax rate. In addition to mine operations QET rules of the Income Tax


               Act are also inherent for pipeline abandonment trusts.

                     As stated in section  2.1  the  Approval Holder calculates  its MFSP  Asset  and  Liability

               balance once at the end of each year. If the Approval Holder decides to withdraw all or a portion


               of its QET amount from the trust it is expected that the trustee would return the cash amount to

               the Approval Holder. Such a practice with mine Approval Holders was not observed before.

                     4 . Tax and royalty regimes in other jurisdictions


                     Royalty Regimes

                     Governments have variety of methods to impose royalty on Approval Holders. These can


               be unit based, value based also known as ad valorem, or profit and income based. In Canada,

               most jurisdictions (British Columbia, Northwest Territories) tend to have profit based royalty,

               Saskatchewan having  both, profit based and  ad valorem(Ad  valorem  royalty is based on  the


               production volume rather than gross profit based.) type royalty regimes. Appendix 1 provides the

               royalty practices, types and rates across other jurisdictions.

                     Tax Regimes


                     In general, tax regimes are structured progressively. When a project becomes more profitable

               their tax burdens increase too. Canada has a taxation system with a slight increase in tax burdens as

               projects become more profitable due to commodity price increase. Appendix 2 describes increase in


               average effective tax rates with rising internal rate of returns for mining projects. A study conducted

               by Natural Resources Canada  suggests  that  Canada, Chile  and United  States have  more tolerant

               mining taxation regime  when Approval  Holders  project profitability increase. However,  all other


               international jurisdictions tend to penalize their mine projects as internal rate of project returns go up.







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