Thank you to all who responded. These articles compiled by Mid Michigan Library League were helpful:

 

https://getsling.com/blog/time-off-requests/

 

https://www.thebalancecareers.com/sample-hourly-employee-attendance-policy-1917698

https://hr.vanderbilt.edu/policies/attendance-punctuality.php

https://www.thehrspecialist.com/9092/attendance-policies-control-absenteeism-without-breaking-the-law

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