who is authorized MPO privileges, you should notify the individual of the infraction. DIRECTORY MAIL RETURNED FROM UNIT MAILROOMS Mail that received directory service by unit mail clerks  or  mail  orderlies  should  be  returned  to  the serving  postal  activity  separately  from  uncanceled outgoing mail.  MPO personnel should screen the mail to  make  sure  it  is  endorsed  neatly  and  properly.   If incorrect  directory  procedures  are  frequently  noted after  the  unit  mail  clerk  or  mail  orderly  has  been briefed  on  correct  directory  procedures,  the  postal officer should be advised. PERISHABLE ITEMS Perishable items that have a required delivery date (RDD)  and  cannot  be  forwarded  or  returned  to  the mailer before spoiling should be disposed of as waste. Do  not  forward  these  items  to  the  serving  Mail Recovery  Branch.     Also  any  perishable  items obviously spoiled when received, whether deliverable or not, should be immediately disposed of as waste. You  should  always  dispose  of  perishables  in  the presence of a witness and notify, in writing, the mailer and addressee of your action. Q11-10. Since   each   class   of   mail   is   handled differently, you must first identify each piece of  directory  mail  for  proper  disposition. (True/False) Q11-11.   What PS form is used by a directory clerk to inform publishers of a change of address of a magazine? Q11-12.   What are the disposition instructions for an undeliverable catalog if your MPO is located overseas? Q11-13.   Which publication should you consult to find instructions  concerning  mail  for  personnel confined for disciplinary reasons? Q11-14.   What action is taken when mail addressed to personnel  at  overseas  activities  who  are  not authorized MPO privileges is received? Q11-15.   Perishable items that have a required delivery date   (RDD)   and   cannot   be   forwarded   or returned to the mailer before spoiling should be disposed of in what manner? Now turn to appendix I to check your answers. HOLD MAIL Learning  Objective: Identify   the   different types  of,  and  the  required  handling  for  hold mail. Postal directories hold undeliverable as addressed mail when service members are due to arrive, absent without leave (AWOL), or when the mail is addressed to  “general  delivery.”   General  delivery  mail  is  mail received at a post office intended primarily for delivery 11-19 PCf1117 SK1 VERY C. PISTOL S-1 DIV USS NEVERSAIL (CG-10) FPO AE 09556-001 S-1 DIV USS UNDERWAY (CV-66) FPO AE 09561-001 DISPOSITION: RETURN TO SENDER BOB C. SICK 565 WAVERLY RD OCEAN CITY MD 21289 SAM REASONS CHECKED Unclaimed Refused Attempted-Not known Insufficient Address No such street number No such office in state Do not remail in this envelope UNDELIVERABLE AS ADDRESSED Postage Due C 1 Figure 11-17.—An example of a Standard Mail (B) piece depicting endorsement when returned to the sender.