the Joe Biden Administration repeats the feelings from Tesla CEO Elon Musk when it comes to the practice of imposing a 30% “tax” on mobile applications apple inc AAPL and rival Google heard alphabet inc Google GOOD.

What happened: Those of the Department of Commerce National Telecommunications and Information Administration (NTIA) said in a report Wednesday that the existing mobile app store model is “harmful to consumers and developers.”

The report noted that Apple and Google “dictate how the vast majority of the world’s apps exist and work.”

“These companies manage their app ecosystems differently, but both play an important gatekeeping role by controlling (and restricting) how apps are distributed.”

In May, Musk, who now owns Twitterslammed Apple, saying the Cupertino, California-based tech giant’s app store fee was like a “30 percent tax on the internet.”

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Why it matters: NTIA said its review suggested the mobile app store model had “created a sub-par playing field.”

“The policies that Apple and Google have imposed on their own mobile app stores have created unnecessary barriers and costs for app developers, ranging from access fees to feature limitations that favor some apps over others.”

had musk supports Fortnite Publisher Epic Games object to the fact that Apple previously charged a 30% fee on in-app purchases.

Musk’s Twitter currently charges $8 per month or $84 per year for its Twitter Blue service. Those who choose to purchase the same service through the iOS or Android app stores will have to pay $11 per month.

In November, Musk met with Cook and said they did “Misunderstanding cleared up” after a “good talk”. The misconception Musk was referring to was Twitter’s potential removal from Apple’s App Store.

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