It's not random. It's the standard period for holding funds of a terminated merchant account with virtually any bank or credit card processor in the world. That

It's not random. It's the standard period for holding funds of a terminated merchant account with virtually any bank or credit card processor in the world. That's because it's the maximum chargeback period for most credit cards. If they release funds before that date, someone who paid you in the past could reverse that payment, and PayPal would have no funds of yours to cover it, leaving them on the hook for your loss.