When do you need a oversize load permits?

When you're hauling a load which puts you over the legal gross weight of 80,000 lbs; when you have a load which may not put you over gross, but may put you over the allotted weight on an axle or set of axles, and which cannot be adjusted to make the combination compliant; if the load if more than 102 inches wide; if the overall height is greater than the statutory height of the state(s) you're driving through; if the overall length of the vehicle in tow is more than 53 feet