301.6. For the purpose of determining the extent to which a property or a service is acquired or brought into Québec by a surety for consumption, use or supply in the course of commercial activities of the surety and for the purpose of determining the extent to which the property or service is consumed, used or supplied by the surety in the course of commercial activities of the surety, the carrying on of the particular construction by the surety is deemed not to be for the purpose of making a taxable supply and not to be a commercial activity of the surety.