People are being told they need to provide their Social Security numbers to online platforms and cash transfer app companies for the sales of things like clothes and concert tickets over $600, even though the IRS says they don’t need to. The prompts from companies like eBay and Ticketmaster are the result of a change in the tax law that was reneged last-minute by the IRS ahead of the 2023 tax filing season. The switch is causing a lot of confusion among taxpayers and tax professionals — and even within the IRS itself. The threshold for reporting business income or...