(2) If an individual is eligible for benefits under 38 U.S.C. chapter 32 and one or more of the programs listed in (a)(1)(i) through (a)(1)(x) of this section, he or she must specify under which program he or she is claiming benefits. The individual may choose to receive benefits under another program (other than 38 U.S.C. chapter 33) at any time, but not more than once in a calendar month. The individual may choose to receive benefits under 38 U.S.C. chapter 33 at any time, but not more than once during a certified term, quarter, or semester.
(ix) The Omnibus Diplomatic Security and Antiterrorism Act of 1986 (Pub. L. 99-399).
(2) No one may receive assistance under 38 U.S.C. Chapter 31 in combination with assistance under 38 U.S.C. Chapter 32 in excess of 48 months (or the part-time equivalent) unless VA determines that additional months of benefits under 38 U.S.C. Chapter 31 are necessary to accomplish the purposes of a rehabilitation program.