four-month rule n: a rule requiring that an action be taken within four months: as
a : a rule in some states requiring that a defendant be tried within four months of the arrest, charge, or arraignment
b : a rule set out in section 9-103(1)(d) of the Uniform Commercial Code that provides a secured creditor four months to perfect a security interest again in the state to which the collateral perfected previously in another state has been moved
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.