[header] How to shorten probation [title] Find your state law. [step] If your state allows probation to be shortened, then there should be a law to that effect. You will want to see what requirements are listed in the law. 
For example, some states will only allow probation to be shortened for certain crimes but not others. In texas, for instance, you cannot shorten probation if you were convicted of a sex offense or of driving while intoxicated.