In some states, there is no required waiting period.

在一些州，没有必要的等待期。

youdao

There was no test, no waiting period.

NEWYORKER: Rich Man, Poor Man

Better yet, there's no waiting period required.

WSJ: Indian Snacks That Pack a Punch

Unlike their athletes (who still face a transferring penalty for breaching their letter-of-intent if their coach leaves), coaches have no waiting period when switching schools and until this change in the length of a scholarship, schools had no waiting period to replace a player dismissed under a non-renewed scholarship.

FORBES: National Letter of Indenture: Why College Athletes are Similar to Indentured Servants of Colonial Times