Sentence examples for not obligatory yet from inspiring English sources

Moreover, such tests are not obligatory yet for all GMOs.

And yet, and yet... "liking Shakespeare is not obligatory".

It is not obligatory or mandatory to have a passion, yet, without one life can seem less worthwhile.

It's not obligatory".

Music is not obligatory.

Rubbing noses is not obligatory.

Bookings are recommended but not obligatory.

It may be convenient practice, but it is not obligatory.

It's not obligatory, but it's appreciated.

(Gifts are certainly not obligatory). What says Miss Manners?

But the historical context was not obligatory in the curriculum.