The attention of the facility is drawn to the distinction between the use of the words ”shall”, “should”, and "may" in this part:

1. (1) "Shall" is the term used to indicate a mandatory statement, the only acceptable method under the present standards;
2. (2) “Should" is the term used to reflect the most preferable procedure, yet allowing for the use of effective alternatives; and
3. (3) "May" is the term used to reflect an acceptable method that is recognized but not necessarily preferred.