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Address interdepartmental mail with legible complete department names, no abbreviations.
Exposed metal fasteners are unacceptable.
Request a reusable fabric mail pouch from Mail Services if you have regular interdepartmental mail between two departments.
If using letter-size envelopes for interdepartmental mail, please put a red check in the upper right hand corner of the envelope and separate from other U.S. mail.
When addressing mail to a location outside the district please use plain manila envelopes.
All mail to be posted must be in clear plastic packets or in a covered box for weather protection during transport to Mail Services.
No personal mail or packages can be sent through the delivery system.
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