The Commons Treasury Select Committee has highlighted the potential for fraud and error if the taxman was given direct access to millions of accounts.
"This policy is highly dependent on HMRC's [HM Revenue and Customs'] ability accurately to determine which taxpayers owe money and what amounts they owe, an ability not always demonstrated in the past," the MPs said.
"Incorrectly collecting money will result in serious detriment to taxpayers," the report continued.
"The Government must consider safeguards, in addition to those set out in the consultation document, to ensure that HMRC cannot act erroneously with impunity.
More top news
Mel B's estranged husband will be allowed to visit his young daughter - despite accusations of violence and links to the porn industry.
The singer, 70, has been forced to cancel several shows in the US as he recovers from the illness he contracted whilst abroad.
Newcastle United are back in the Premier League and very few in St James' Park care how they've done it.