Sentence examples for it not mandatory from inspiring English sources

Why is it not mandatory?

Best practice suggests that some schools include it anyway, but if it's not mandatory, it's often easy to overlook.

So there are safeguards, it's not mandatory, it's an option.

Hobbs et al. [12] has a similar criterion but since it is not mandatory it does not have the same effect on the summarized evaluations.

You can either use your hands or iron-press it but it is not mandatory.

It's not mandatory, but it will make it a LOT easier for you.

But it is not mandatory, and it is not part of the site's domain name, which is the main part of a Web address, like rockthevote.com.com

Many sports in Britain regularly screen top athletes, although it is not mandatory as it is in some countries such as Italy.

It's not mandatory but it's a good practise.

It's not mandatory, but it is helpful to have one.

It's not mandatory, but it's helpful if you want to make the most of your flowers.