US Laws, Codes, Statutes & Cases

 
    § 6-110 Additional work. Any contract for work or supplies may contain
  a  provision  to  the  effect  that  the  head  of the agency making the
  contract may order additional work to be done or supplies furnished  for
  the  purpose  of  completing  such contract, at an expense not exceeding
  five per centum of the amount thereof; provided, however, that the board
  of estimate may by  resolution  adopt  regulations  providing  that  any
  contract for work or supplies may contain a provision to the effect that
  the  head of the agency making the contract may order additional work to
  be done or  supplies  furnished  for  the  purpose  of  completing  such
  contract,  at  an  expense  not  exceeding  ten per centum of the amount
  thereof.