tive superior unless otherwise directed.  The answer sheets should not be folded or stapled and should be enclosed in cardboard backing for protection. The command must keep copies of the reports of destruction and receipts for transfer of examinations on file as an official record for 2 years. Q33. After  the  administration  of  Navywide advancement  examinations,  the  answer  sheets and a report of destruction/administration must be sent to NETPDTC within what time frame? DISPOSITION OF WORKSHEETS About 10 days before the date of the examination, the  ESO  will  forward  the  worksheets  to  the  senior member of the local examining board.  After completion of the examination, the senior member will return all worksheets  to  the  ESO.    The  worksheets  should  be retained  for  2  years  by  the  administering  command, instead of filing in individual service records.  DO NOT FORWARD THE WORKSHEETS TO NETPDTC.                  POSTEXAMINATION PROCEDURES 6-16 REGISTERED MAIL FOR OFFICIAL USE ONLY From: To:      Commanding Officer, Naval Education and Training Professional Development and Technology    Center (N3217), 6490 Saufley Field Road,  Pensacola, FL  32509-5126 Subj:   CYCLE #        EXAMINATION RETURNS FOR PAYGRADE E-      Ref:      (a)  BUPERSINST 1430.16 Encl:    (1)     #        Examination Returns (answer sheets)            (2)     Listing by Activity    (3)     Listing of Unused and Transferred Examinations 1.  Enclosures (1) through (3) are forwarded per reference (a). 2.  All examination envelopes were given to the candidates with seals unbroken and opened by the candidate concerned in the examination room in the presence of a member of the local examining board. 3.  (Strike out this paragraph if not applicable.)  The candidates listed in enclosure (2) whose examination serial numbers are identified by (DUP) used the duplicate method of an examination.  Test booklets  were examined and markings, if any, were removed before use by the second candidate. 4.  All examination booklets for personnel listed in enclosure (2) and all complete examinations listed in enclosure (3) as being unused, have been destroyed by (method of destruction) in the presence of the authorized personnel whose signatures follow:                                                                                                                     Name, Rank                                                                       Name, Rank           5.  The examinations of the personnel listed in enclosure (2) were conducted as outlined  in chapter 7 of reference (a).                                                                                                                                                                                                                                                                                                                                                    (Signature of commanding officer or                                   officer with by direction authority) Figure 6-8.—  NETPDTC letter of transmittal.