3 For purposes of application of the Income Tax Law to members of the United States armed forces, the civilian component, their dependents, individual contractors, or the employees of individual or incorporated contractors or the exchange organizations, etc. for the use of military personnel, the periods during which members of the United States armed forces, the civilian component, and their dependents are in Japan solely by reason of being such persons, the periods during which the individual contractors are in Japan solely in connection with the business of construction, maintenance or operation under the contract of construction, etc. made by him, the periods during which the employees are in Japan solely for the purpose of performing their service in connection with the construction, maintenance or operation under the contract of construction, etc. made by individual or incorporated contractors, or the periods during which the exchange organizations, etc. for the use of military personnel are recognized as such organizations shall be considered as periods during which they have no domicile or residence in the enforcement area of the same Law.