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A mail (postal company) partner will process documents received from a customer and send these digitally to PKB using an MDM T02HL7 message. The partner can check the registration status of the patient on PKB and, if eligible, may invite the patient to sign up to PKB using generated tokens generated. If documents sent digitally to PKB are not read, then the mail partner has the option to send them in the post by querying the read status of the document in PKB using the read receipt query.
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