Employees who operate a process and maintenance and contract
employees whose job tasks will be affected by a change in the
process must be informed of, and trained in, the change prior to
startup of the process or startup of the affected part of the process. If
a change covered by these procedures results in a change in the
required process safety information, such information also must be
updated accordingly. If a change covered by these procedures
changes the required operating procedures or practices, they also
must be updated.