Catch [insert new number]

Last night at a party, I met a newly-wed couple. They did the sensible thing and had a registered wedding, and this is apparently what happened:

Before they got their certificate, they had to put up photographs of the wedding up on a board in the Registrar's office.

"Why the photgraphs?" I asked.

"For proof."

"So you guys got married in some other way and also got a registered wedding?"

"No no - it was only a registered wedding."

"But the registrar presided, right?"

"Yes."

"Wait. So you had to prove to the registrar that he married you off?"

"Um... yes."

*

Of course, it would have been much better if the building in which they'd got married was one in which photography wasn't allowed but I'm guessing they haven't thought of that one yet.