The congressional equivalent of the office of management and budget is Congressional Budget Office (CBO)
The office of management and budget (OMB) is the largest office within the executive office of President of the US and it assists the President in preparing the budget.
The Congressional Budget Office (CBO) is a federal agency within the legislative branch of the United States government that provides budget and economic information to Congress. Hence both CBO and OMB have equivalent role.
It employs lawyers, information technology specialists, editors, and other experts who can contribute to the agency's mission
It is a body that provides the Congress with objective, nonpartisan, and timely information, analyses, and estimates related to federal economic and budgetary decisions. It also helps the budget committee for the matters under its jurisdiction.
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