Senators Richard Blumenthal and Marsha Blackburn, the highest Democrat and Republican on the Senate Commerce Committee’s knowledge safety panel, each of whom labored on a 2016 regulation banning ticket scalpers from utilizing software program to purchase tickets, pressed the company on what, if something, it had executed to implement the regulation.

“Ticketmaster/LiveNation pointed to online bots as a reason why fans could not get Taylor Swift concert tickets, leading the ticket seller to shut down sales to the general public,” the senators wrote in a letter to the FTC, citing different situations of customers having issues shopping for tickets on-line.

“While bots may not be the only reason for these problems, which Congress is evaluating, fighting bots is an important step in reducing consumer costs in the online ticketing industry,” the senators wrote.

Swift, winner of the artist of the year at the recent American Music Awards, mentioned it had been “excruciating” to observe followers wrestle to safe tickets for her Eras tour after she had been assured that Ticketmaster might deal with the big demand.

A spokesman for the FTC confirmed that it had acquired the letter, however had no remark.

In the letter, the lawmakers requested why the company had not introduced a couple of enforcement motion below the regulation and requested if there have been different enforcement actions within the pipeline.