MCO P1070.12K W CH 1 MARINE CORPS INDIVIDUAL RECORDS ...

4005 IRAM
a. Upon Promotion to Corporal and Sergeant. The "TO" date is
the day prior to the date of rank. When the promotion to
corporal or sergeant and the semiannual/annual (SA/AN) marking
period coincide (1st of February and August for Regular Marines
or the 1st of January for Reserve Marines), the promotion (PR)
markings will take precedence over the SA/AN markings
requirement. In this particular case, do not report SA/AN
markings.
b. When the effective date of any other reporting occasion
coincides with the SA/AN marking period; i.e., 31st of January,
July or December (for Reserves), the reporting occasion (TR, AT,
etc.) will take precedence. Do not report SA/AN markings.
c. School Completion (SC) and Transfer (TR) Marks. When the
occasion requires the assignment of SC conduct and duty
proficiency marks upon completion of formal school, and the
Marine is transferred simultaneously, the TR occasion will take
precedence. For personnel who are assigned SC marks and are
retained pending transfer/reassignment, report the TR marks as NA
if the transfer/reassignment occurs within 90 days of the SC
marks.
(1) Attendees of a Single Formal School in a TEMINS
Status. Assign SC marks to personnel attending a single course
of instruction at a formal school that exceeds 90 calendar days
upon completion of the course. If the course is 30 days or less,
conduct and duty proficiency marks are assigned at the option of
the commander. If the option is exercised, report SC marks on
all students (corporal and below) completing the course.
(2) Attendees of Multiple Formal Schools at the Same
Site. For personnel undergoing multiple courses of instruction
(for example, Legal Admin is followed by the Unit Diary Clerk
course), SC marks are required only if the prerequisite course(s)
exceed(s) 90 calendar days in length. If the course is 30 days
or less, conduct and duty proficiency marks are assigned at the
option of the commander. If the option is exercised, report SC
marks on all students (Corporal and below) completing the course.
4. Except during recruit training, MCT, and IST (where IST is
less than 6 weeks in length), annotate the marks assigned on any
occasion that requires a command to close out and forward the
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