--- /dev/null
+<?php
+/**
+ * An interface for contract partners
+ *
+ * @author Roland Haeder <roland __NOSPAM__ [at] __REMOVE_ME__ mxchange [dot] org>
+ * @version 0.1
+ */
+interface ContractPartner extends FrameworkInterface {
+ /**
+ * This is a contract partner
+ *
+ * @param $contractInstance Must be a valid instance of WorksContract
+ * @return boolean true = can be a contract partner,
+ * false = no partner for contracts
+ */
+ function isContractPartner (WorksContract $contractInstance);
+}
+
+// [EOF]
+?>