It's an excellent question.
The original intention of these rules was to make sure Canadian companies can compete overseas on the same level playing field as multinationals owned by the Japanese, the Americans and the Germans in the new markets like mining companies and financial institutions that are carrying on business. It's like BlackBerry operating overseas.
If we tax that income in Canada when the corporation is trying to compete with other companies, that will weaken the competitiveness of Canadian corporations. Exporting Canadian technology and productive capital not only is good for the corporation but is good for the Canadian economy. We want to export as much as possible. The tax rule is designed to achieve that goal.
The idea is a good one, but then what do we do to translate the idea into operational rules? We cannot qualify each country, each business and each corporation to see whether they fit, so we use proxies. The proxy is whether the foreign country is a reliable country. How do we know? We have a treaty with them—