Taylor Swift Ticket Resellers Will Have to Pay Taxes on Profits

For those who were lucky enough to snap up Taylor Swift concert tickets and are planning to resell at a profit, the tax man is coming.

In the aftermath of the mad rush for seats at the singer’s upcoming tour, resale sites are offering secondhand tickets for wild prices, in some cases tens of thousands of dollars. But those sellers might not realize that any money they make is subject to federal taxes.

It’s in part because of a change to tax reporting requirements this year and a wonky form called the 1099-K. Essentially, these are transaction records from third-party payment networks like ...