The credential belongs to a person
North Macedonia works in Macedonian, so an English record needs a Macedonian text alongside it before an office there can use the contents. What makes that text worth relying on is not the paper it is printed on but who stands behind it. The credential named on this route is an ITI/CIOL-qualified certified translator: a professional membership held by an individual, kept current by that individual, and lost by that individual if the work is bad.
That matters more than it sounds. Anyone can produce Macedonian sentences and print the word certified at the bottom. A qualification held through a professional body ties the output to a person with a standing to protect, and gives a receiving office something to look up rather than a claim to take on trust. It is the difference between a signature and a name.
What the certificate of accuracy actually asserts
The signed page attached to a certified translation into Macedonian in Nottingham makes one narrow claim, and its usefulness comes from that narrowness. It says the Macedonian text corresponds to the English document supplied, and it names who says so. It does not vouch for whether the English record is true, whether the entry behind it is still current, or whether any particular office will be pleased to receive it.
Keeping that claim narrow is what makes it credible. A certificate that promised more would have to be doubted more. The certification here is the kind accepted by UK authorities such as UKVI and the GRO, and the same signed pairing of source and Macedonian is what travels with the file. Notarisation can be added where a receiving body wants a notary in the chain too.
Where the qualification stops
A qualification is not an oath, and it does not turn the translator into an issuing authority. Nobody producing the Macedonian can correct the record, refresh an expired one, or make a missing stamp appear. If the source sheet is wrong or out of date, the honest Macedonian text reproduces the problem faithfully and the fix has to happen at the office that issued the paper.
That is why the source is chosen with some care before any Macedonian is written. Where the record is a civil one registered here, Nottingham Register Office issues a fresh certified copy of a birth, marriage or death entry from The Council House, Old Market Square, Nottingham NG1 2DT, so the original you already hold can stay at home instead of going anywhere near the post.