6. encoding: This is the standard used to encode the account data
7. Terminator: This needs to match the terminator value of the SIP2 server. - Modify this if you know the terminator value of the SIP2 server.
+It is also possible to add custom patron attributes to SIP2 profiles using the format such as:
+
+ <patron_attribute field="XX" code="CODE1" />
+ <patron_attribute field="XY" code="CODE2" />
+ <patron_attribute field="XZ" code="CODE3" />
+
**Institution**