# DNA samples (saliva swabs and samples) — Postal shipping restrictions by item category

For DNA samples (saliva swabs and samples), carrier is Royal Mail / Parcelforce; restriction type is restricted; scope is UK (Post Office counter); conditions is Can only be returned in supplier provided packaging, recorded from its source on 2026-08-10.

- **Item category:** DNA samples (saliva swabs and samples) _(verified: appears in the quote below)_
- **Carrier:** Royal Mail / Parcelforce _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** UK (Post Office counter) _(our reading, not quoted from the source)_
- **Conditions:** Can only be returned in supplier provided packaging. _(verified: appears in the quote below)_

## What the source says

> DNA Samples (limited to saliva swabs and samples) Packaging guidelines: Can only be returned in supplier provided packaging,

## Source

- https://corporate.postoffice.co.uk/media/w5dlus1c/foia-response_foi2025_00179_appendix-d_rm-dangerous-goods-and-prohibited-and-restricted.pdf

Last verified: 2026-08-10. Review by: 2027-08-10.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).