The BII Profile 48 Call for tenders questions and answers profile describes a process providing electronic messaging support for the business process of answering questions of economic operators about a call for tenders. The key aspects covered by this profile are: - The contracting body has issued a call for tenders . - One or more economic operators have questions regarding the call for tenders and send the question electronically to the contracting body. - The contracting body answers the questions and sends the answers to all economic operators that have subscribed and make them available to other potential tendering economic operators This profile supports the communication of call for tenders questions and answers between contracting bodies and all economic operators having expressed their interest in the procedure. This profile is identified in the transactions by the ProfileID urn:www.cenbii.eu:profile:bii11:ver3.0