Biological substances (Category B)
For Biological substances (Category B), carrier is Royal Mail / Post Office; restriction type is restricted; scope is UK; conditions is The sender's name and return address must be clearly visible on the outer packaging, recorded from its source on 2026-08-03.
- Item category
- Biological substances (Category B) unconfirmed
- Carrier
- Royal Mail / Post Office our reading
- Restriction type
- restricted our reading
- Scope
- UK our reading
- Conditions
- The sender's name and return address must be clearly visible on the outer packaging
Values marked unconfirmed are shown, but we could not tie them to the quote below: Item category. Read the quote and judge them yourself.
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
The sender's name and return address must be clearly visible on the outer packaging
— postoffice.co.uk, retrieved 2026-08-03
Source
- postoffice.co.ukhttps://www.postoffice.co.uk/mail/what-can-i-send