The assessment of 'likely_true' is based on a single but significant piece of indirect evidence from a high-authority source. CPA Practice Advisor, a publication for tax professionals with an authority rating of 0.90, lists 'Elon Musk IRS' as a specific topic. This strongly indicates that a notable and professionally relevant event occurred between Musk and the IRS, warranting dedicated coverage. A system overload caused by an unprecedentedly large tax payment is a plausible event that would fit this description.While none of the provided sources directly confirm the software overload, this is the only source that establishes a specific, reported connection between the subjects in question. The other high-authority sources, including the official websites for the IRS and the Department of the Treasury, are silent on this specific matter. However, their silence does not constitute a denial. Government agencies are unlikely to publicize specific system glitches or the tax affairs of an individual in their general news releases. No source presents any contradictory information. Therefore, with one strong, positive indicator from a credible, specialized source and a complete lack of counter-evidence, the statement is assessed as likely to be true.