Jack is married to Jill and they have twin daughters. Jennifer and Jody who are six years old.

Jack and the family lived together in Sudbury, Ontario until August $31,2023.$ On September $1,2023.$ Jack left for an $18$ month temporary assignment in Switzerland. Jill and the girls remained in Sudbury. Jack has a company$-$paid, fully furnished apartment in Switzerland and a car available for his use in Switzerland.

Jack's $2023$ residence status is best described as $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$