Extensions are sought on Form I-129 and L supplements; this form encompasses both the petition EXTENSION and the foreign national's extension of stay. Form I-539 must be used for the extension of stay of family members and must be filed CONCURRENTLY with the petition extension request. The petition extension must also be ACCOMPANIED by a letter from the employer describing the continuing employment and by a copy of Form I-94 for the foreign WORKER and each family member. The extension should be filed with either the VSC or the CSC, depending on the location.

Extensions are sought on Form I-129 and L supplements; this form encompasses both the petition extension and the foreign national's extension of stay. Form I-539 must be used for the extension of stay of family members and must be filed concurrently with the petition extension request. The petition extension must also be accompanied by a letter from the employer describing the continuing employment and by a copy of Form I-94 for the foreign worker and each family member. The extension should be filed with either the VSC or the CSC, depending on the location.