Profile BII12 Advanced Tendering describes electronic messaging support for the business process of Tendering. It is intended for use by businesses in order to present a tender that fulfils the requirements of a Call for Tender document in a tendering process. The key aspects covered by this profile are: - The submitting of a Tender in response to a Call for Tender as part of an open, negotiate or restricted tendering procedure or dynamic purchasing systems. - A receipt from a contracting body to an Economic operator confirming that a tender has been received and when. In this profile BII12 Advanced Tendering most information about the Tender is structured. In BII Profile 54 Tendering, this information is included in unstructured attachments. This profile is identified in the transactions by the ProfileID urn:www.cenbii.eu:profile:bii12:ver3.0