The IRS has issued an important bulletin highlighting that a written & advice data security plan is mandatory for Tax Preparers

https://www.us-cert.gov/ncas/current-activity/2019/07/24/irs-reminds-tax-professionals-create-data-security-plan

https://www.irs.gov/newsroom/tax-security-2-point-0-a-taxes-security-together-checklist

The Internal Revenue Service (IRS) has issued a news release reminding professional tax preparers that they are required by law to have a written data security plan. Creating and maintaining a data security plan ensures that tax professionals are reviewing their data security protections and implementing appropriate safeguards. Creating a data security plan is part of theĀ Taxes. Security. Together. checklist, which the IRS created to help tax professionals protect sensitive taxpayer data.