Why Crude oil options and futures have different expiry dates?

How come crude oil options and futures have different monthly expiry date ?

This is primarily done through the concept called Devolvement to adjust the margin variation that exists between Options and Futures.

Check out our Varsity post for a simple yet detailed explanation on this topic -

Here it says the ITM contract will devolve into a futures contract at expiry, is there anyway to avoid that situation, and how to give “instruction” mentioned in the article.