One word, borrowed too widely
Almost nobody arrives here by choice. A university, an employer or a form told them to get a stamp, used a single word for it, and left them to work out the rest. In everyday speech that word now covers any official mark that makes a British paper usable abroad, which is why it turns up on instructions for corridors where it does not apply.
People search for what you need for an apostille for Central African Republic and the honest reply is that the search names a certificate this corridor does not use. That is not a dead end. The paper being asked for is real, the need behind the instruction is real, and only the name of the mark on the end of it is wrong.
Where this destination stands
The Central African Republic has not joined the Hague Apostille Convention. That single fact sets the shape of everything else, because the short one-mark route exists only between countries inside that treaty. So document legalisation for Central African Republic runs as a chain of stamps through more than one desk, each one signing for the mark that came before it rather than for your document.
There is no apostille from United Kingdom to Central African Republic that a receiving desk will read as a finished file, and no faster tier that quietly changes that. An apostille for Central African Republic is not a weaker version of the right certificate; it belongs to a different set of countries altogether, and buying one here would simply add a mark nobody downstream is waiting to see.
Reading the instruction properly
The useful move is to translate the checklist rather than argue with it. Wherever it says apostille, read make this paper official for use abroad. Then the instruction becomes true again and you can act on it, because the record it names is still the record you need and the person waiting still wants the same thing in their hands.
It also tells you what to say when you report back. Rather than promising a stamp by a date, describe the stage the file has reached and the desk it sits with. That is an honest account of a chain route, and it heads off the awkward moment where a one-stamp timetable was promised and a multi-stage one is what is actually running.
The Leicester end does not change
Whatever the road ahead, the start of it is the same as on any other corridor. Leicester Registration Service, at 115 Charles Street, Leicester LE1 1FZ, prints certified copies of civil records held locally, and a copy ordered there travels in place of the original you keep. That habit costs nothing and it removes the one loss that cannot be undone.
The FCDO Legalisation Office at PO Box 6255, Milton Keynes MK10 1XX is a government office, not one of ours, and it works by post with no counter for callers anywhere. Knowing which desks exist and which do not is the difference between a plan and a hope on a corridor with more than one stage in it.