33 U.S.C. § 642a : US Code - Section 642A: Rank, pay, and allowances of Corps of Engineers officers serving as President of Mississippi River Commission

Search 33 U.S.C. § 642a : US Code - Section 642A: Rank, pay, and allowances of Corps of Engineers officers serving as President of Mississippi River Commission

Any officer of the Corps of Engineers who has served or shall
serve four years as President of the Mississippi River Commission
and who has been or shall subsequently be retired, shall, from the
date of such retirement, receive the rank, pay, and allowances of a
retired major general.