Is there a cooling-off period after signing a family arbitration agreement, before it becomes binding?

Generally, no, there isn't a fixed, legislated cooling-off period the way there might be for certain consumer contracts, where a buyer automatically gets a set number of days to change their mind after signing. A properly formed family arbitration agreement, meeting the required formalities such as being in writing and both parties receiving independent legal advice, is generally intended to be binding once signed, rather than provisional for some further waiting period afterward.

This makes the steps taken before signing especially important: because there's no automatic window to reconsider afterward, getting genuine independent legal advice, understanding exactly what rights are being given up by choosing arbitration, and being confident in the choice of process and arbitrator before signing matters far more than it might for a contract with a built-in cooling-off period. A party who later wants to challenge an arbitration agreement generally needs to point to a specific problem, such as missing formalities or improper pressure to sign, rather than simply relying on a cooling-off right that doesn't exist here. Take the time you need before signing, not after.