If you own your own company and travel for business, you may wonder whether you can deduct the costs of having your spouse accompany you on trips. The rules for deducting a spouse’s travel costs are very restrictive. First of all, to qualify, your spouse must be your employee. This means you can’t deduct the travel costs of a spouse, even if his or her presence has a bona fide business purpose, unless the spouse is a bona fide employee of your business. This requirement prevents tax deductibility in most cases.  A spouse-employee If your spouse is your employee, then you can deduct his or her travel costs if his or her presence on the trip serves a bona fide business purpose. Merely having your spouse perform some...