blank check
US /ˈblæŋk ˌtʃɛk/
UK /ˈblæŋk ˌtʃɛk/
1.
a check that has been signed but with the amount of money and the payee left for someone else to fill in
:
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My parents gave me a blank check to buy a new car, trusting my judgment.
•
He was given a blank check to furnish the new office.
2.
unlimited freedom of action
:
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The new manager was given a blank check to reorganize the department as he saw fit.
•
Granting the committee a blank check for spending could lead to financial mismanagement.