incumbent on

As the governing party at the time, he added, it was "incumbent on us" to show the party could deliver its policy programme.

She might also be worried about the toll it could take on her political prospects as an incumbent on the ballot when voters turn angry.

"But no matter where you're going in the world, I think it's important for people to remember that it's incumbent on you, the traveller, to engage responsibly with the destination."

"As a general rule, it is not a violation of international law. And it is also incumbent on all of us to recognise that Israelis have a right to live in Israel."

“It’s incumbent on these agencies to produce this information. These are serious issues.”