For Dried Blood Spot Sample Collection:  w) A dried blood spot absorbent Sample  support (e.g., dried blood spot cellulose card) shall also be labelled if it is necessary to remove it from its container at the Laboratory  to take an aliquot ; and   x) Allow the collection , storage and secure transportation of d ried blood spots on absorbent Sample  support that can be sealed as distinct “A” and “B” Samples (Tamper Evident  kit consisting of “A” and “B” containers/sub- containers and/or storage sleeves/packages/receptacles).