certificate of no impediment (to contract marriage)
and, do yourself a favour, don't waste 15 quid to get it in the UK (like i did), because it's invalid here, you need to get it from British embassy in Manila. So if you're not staying in manila, you'll need to go there for the CNI.
You need Cenomars
gosh, it's endless.
I'm glad I got it over with ... endless paperwork and money outlay. Just bring a lot of money and patience