Used as a link to the call for tenders (also known as procurement project identifier, procurement reference number or contract folder identifier). The contract folder ID must be at least provided. Element can be repeated and also used as an identifier to the LotGroups and Lots to which the tendering question applies. XPath expressions are used to locate the questions.

Namespace
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2
Data type
Identifier
Attributes
Use Name Description
M @schemeName

Scheme name
Valid values are ContractFolderID, LotGroup or Lot.