Yes, there is a strict protocol as addresses have to match those in the central system, which has to match what is recorded by Royal Mail.
To check the address, you can look on their website:
https://www.royalmail.com/find-a-postcode
If someone has given a property a new name, this cannot be used until they have registered with the Royal Mail, and the contact details are available on the website given above.
If in doubt, please contact the SIMS team through the IT Servicedesk 01473 265555 or ITservicedesk@suffolk.gov.uk