N.D. Cent. Code § 34-02-14: Employee to give preference to employer's business

An employee who has any business to transact on the employee's own account similar to that entrusted to the employee by the employee's employer shall give the latter the preference always. If an employee is entrusted with similar affairs by different employers, the employee shall give the affairs preference according to their relative urgency, or other things being equal, according to the order in which they were committed to the employee.