programs for low-income taxpayers. Division C—Identity Protection Personal Identification Numbers Sec. 13001. Identity protection personal identification numbers. Division D—Provision of Information Regarding Low-Income Taxpayer Clinics Sec. 14001. Provision of information regarding low-income taxpayer clinics. Division E—Single Point of Contact for Tax-Related Identity Theft Victims Sec. 15001. Single point of contact for tax-related identity theft victims. Division F—Notice From IRS Regarding Closure of Taxpayer Assistance Center Sec. 16001. Notice from IRS regarding closure of taxpayer assistance centers. Division G—Mandatory Electronic Filing for Annual Returns of Exempt Organizations Sec. 17001. Mandatory electronic filing for annual returns of exempt organizations. Division H—21st Century IRS Act Sec. 18001. Short title