Do disputes over financial lease contracts require collection once?

Hello, there is no such mandatory rule. Of course, if your contract does not stipulate a time for performance of obligations, then before you sue, you need to collect the money first to prove that the other party has delayed and failed to perform the contract. You can sue. Continue to inquire and add Taobao store "Fangyandian Legal Consulting", we will answer your questions wholeheartedly.