blank check

English

blank check (plural blank checks)

(US) A signed check of the type used to draw money from a bank account, containing no information as to the amount to be paid with it, so that any amount can be filled in.
(US) A grant of complete authority to spend an unlimited amount of money, or to take other actions without restraint.
- 1992, Leon T. Hadar, Quagmire: America in the Middle East, page 55:
  Nixon and Kissinger had established a blank check policy, giving the Shah a free hand to buy as many American weapons systems as he wanted, even the most technologically advanced, so long as they were not nuclear.

signed check

Catalan: xec en blanc m
Chinese:
Mandarin: 空白支票 (kòngbái zhīpiào)
Danish: blankocheck c
Finnish: blankosekki
French: chèque en blanc (fr) m
Galician: cheque en branco m
German: Blankoscheck (de) m
Italian: assegno in bianco m
Portuguese: cheque em branco m
Russian: чек на предъяви́теля m (ček na predʺjavítelja) (без обозначе́ния су́ммы опла́ты), незапо́лненный чек m (nezapólnennyj ček)
Spanish: cheque en blanco m
Turkish: açık çek (tr)

grant of complete authority