The cardinals swear an oath as they are casting their ballot -- further discouragement.

CNN: How secure is the papal election?

Presentation ceremonies are performed daily and recipients must swear an oath to the Queen and the Lord Mayor.

BBC: City limits - how free is a freeman?

Each man in turn stepped up and placed his hands on the Gospel to swear an oath in Latin.

BBC: Rome conclave: Cardinals begin voting for new Pope

As the cardinals enter into the Conclave, they swear an oath to secrecy concerning the events of the Conclave.

FORBES: How Is A New Pope Elected?

At one point in about 2010, she asked members of her inner circle to divorce their wives and swear an oath of loyalty, according to one friend.

WSJ: Fearful Final Hours for Briton Who Died in China

Those applying for British citizenship will take exams on various aspects of the UK and its society and ultimately attend a ceremony where they will swear an oath of allegiance.

BBC: Bishop backs asylum plans

If he ever became king, and therefore head of the established church, Prince Charles would have to swear an oath to defend its teachings, including those condemning divorce and remarriage.

ECONOMIST: Crisis? What crisis?

They swear an oath to keep the public safe.

CNN: Bloomberg's out-of-order remarks got one thing right

They swear an oath to protect and defend.

WHITEHOUSE: Joining Forces to Support Military Families

Originally, the prosecutor had raised other possible charges of conspiracy, crimes against the Vatican City State, defamation and revealing state secrets (all Vatican employees are required to swear an oath of secrecy regarding everything they see and learn in the course of their duties).

BBC: Vatican trial: Verdict due for Pope's ex-butler Gabriele