o You cannot modify an element if it is set to read-only access. o You can modify only the reference copy, remark, and review attributes of an element that has a generation reserved. o If you specify /NOTES, you must also specify /POSITION on the same command line. o You must specify one or more of the following qualifiers: /[NO]CONCURRENT /[NO]HISTORY /NAME /[NO]NOTES /POSITION /[NO]REFERENCE_COPY /REMARK /[NO]REVIEW