Facebook, Inc. et. al. v. Internal Revenue Service, Case No. 16-05884 (N.D. Cali., June 19, 2017) is a Freedom of Information Act (FOIA) case arising from an IRS audit of Facebook’s 2008-2010 tax years. After the audit, the IRS issued a notice of deficiency, asserting that Facebook understated its income by nearly $85 million in