obligatory

Rather surprisingly, the obligatory face-to-face between Tyson and Paul ended without any drama, but there was already enough of that in the hour and half that preceded it.

There were the obligatory Black and South Asian Trumpists scattered about in different groups or standing alone outside.

Mar-a-Lago became an obligatory stopping point for any conservative candidate seeking to become their party’s nominee.

His rehab programme has been obligatory, not voluntary as it might have been if he lived in North America or Europe.

Some might read clues about a person's politics during the obligatory family visits.