Compensation includes any form of consideration, remuneration or income, including royalties, given for or in connection with the employee's teaching, speaking or writing activities. Unless accepted under specific statutory authority, such as 31 U.S.C. 1353, 5 U.S.C. 4111 or 7342, or an agency gift acceptance statute, it includes transportation, lodgings and meals, whether provided in kind, by purchase of a ticket, by payment in advance or by reimbursement after the expense has been incurred. It does not include:
(A) Items offered by any source that could be accepted from a prohibited source under subpart B of this part;
(B) Meals or other incidents of attendance such as waiver of attendance fees or course materials furnished as part of the event at which the teaching or speaking takes place;
(C) Copies of books or of publications containing articles, reprints of articles, tapes of speeches, and similar items that provide a record of the teaching, speaking or writing activity; or
(D) In the case of an employee other than a covered noncareer employee as defined in 5 CFR 2636.303(a), travel expenses, consisting of transportation, lodgings or meals, incurred in connection with the teaching, speaking or writing activity.