5 CFR §316.909

1. (a)Students on term appointments. An agency may promote a student who was appointed for an initial period expected to last more than 1 year but less than 4 years provided the student meets the qualification requirements for the higher graded position, time in grade requirements in 5 CFR part 300, subpart F, and the public notification for the position filled by the student stated the potential for promotion and specified a career ladder.
2. (b)Students on temporary appointments. An agency may not promote a student who was appointed for an initial period expected to last up to one year.
3. (c)Promotions at the time of conversion. Students (on temporary or term appointments) may be eligible for non-competitive promotions upon conversion if:
   1. (1)the agency has established a career ladder or promotion potential for the position;
   2. (2)the public notification for the position filled by the student stated the potential for promotion and specified a career ladder; and
   3. (3)the student has met the time-in-grade requirements in accordance with 5 CFR part 300, subpart F.