What this notice is about Important information about your Form W-7A, Application for Taxpayer Identification Number for Pending U.S. Adoptions. Your application was incomplete. What you need to do Complete the response form at the end of this notice and provide the specific information or supporting documentation requested within 60 days of the date on the notice. When you receive a Social Security number (SSN) for this child, complete the response form with the SSN and mail it using the information provided on the form. If you prefer, you can fax your information to the fax number in the notice using either a fax machine or an online fax service. Protect yourself when sending digital data by understanding the fax service’s privacy and security policies. You may want to If you have additional questions, call the IRS at 737-800-5511 or 267-941-1000 (for international calls). Frequently asked questions How long is an ATIN useful? An ATIN is valid for 2 years. However, if you don’t have a SSN for your adoptive child, you can request a one year extension. For more information, see instructions for completing a Form W-7A, Application for Taxpayer Identification Number for Pending U.S. AdoptionsPDF. Tax publications and information Form W-7 A, Application for Taxpayer Identification Number for Pending U.S. AdoptionsPDF Full list of tax forms and instructions Adoption Taxpayer Identification Number 需要協助嗎? 您可以授權某人(英文)代表您向國稅局聯絡。 請查看您是否符合從低收入納稅人協助中心(英文)獲得協助的資格。 如果您無法在線上找到您需要的資訊,請撥打您的通知或信件上方的國稅局號碼。如果您未收到信件或通知,請使用電話協助。 如果您無法自行解決罰款,請聯絡 IRS 內部的獨立組織——納稅人權益維護服務處。