389R6. If property or a service is acquired by a person for consumption, use or supply in the course of activities engaged in by the person in a division or branch of the person and, at a time when the division or branch is a small supplier division, within the meaning of section 337.2 of the Act, an amount becomes due, or is paid without having become due, by the person for the supply of the property or service, the amount shall not be included in determining the purchase threshold under section 389R5 for any fiscal year of the person.