name of the main contact;
route of administration (may be excluded for oral solid dose forms) and, in the case of clinical trials which do not involve the blinding of the label, the name/identifier and strength/potency;
batch or code number identifying the contents and packaging operation;
a clinical trial reference code allowing identification of the trial, site, investigator and sponsor if not given elsewhere;
the subject identification number/treatment number and, where relevant, the visit number; and
period of use (expiry date or re-test date as applicable), in month and year format and in a manner that avoids any ambiguity.