ISO 10845-4:20 11规定了征集意向书的标准条件 约束雇主和被告以特定方式行事， 确定被申请人提交合规意见书的要求， 让受访者了解评估标准，以及 确定雇主进行意向书征集过程的方式。 ISO 10845-4:20 11旨在用于与货物、服务和建筑工程相关的采购以及拍卖以外的某些处置。

ISO 10845-4:2011 sets out standard conditions for the calling for expressions of interest which

• bind the employer and respondent to behave in a particular manner,
• establish what is required for a respondent to submit a compliant submission,
• make known to respondents the evaluation criteria, and
• establish the manner in which the employer conducts the process of calling for expressions of interest.

ISO 10845-4:2011 is intended for use in procurements relating to goods, services and construction works and certain disposals other than by auction.