34 C.F.R. § 390.41

(a) In addition to those allowable costs established in 34 CFR 75.530-75.562, the following items are allowable under short-term training projects:

(1) Trainee per diem costs;

(2) Trainee travel in connection with a training course;

(3) Trainee registration fees; and

(4) Special accommodations for trainees with handicaps.

(b) The preparation of training materials may not be supported under a short-term training grant unless the materials are essential for the conduct of the seminar, institute, workshop or other short course for which the grant support has been provided.