The chairman of the House Banking Committee -yesterday charged Arthur F. ?ÛÏBurns, chairman of the Federal Reserve Board, with improprieties in lobbying against a bill which would require a government audit of the Fed?Ûªs operations.</br></br>Rep. Wright Patman (D-Tex.) said in a letter to Burns that he understood the Fed chairman contacted a bank lobbying group ?ÛÏto enlist their support against the bill.?Û? He said he questioned ?ÛÏthe propriety of the Federal Reserve Board chairman, as a bank regulator, engaging in such activities.?Û?</br></br>In a quick reply to Patman, Burns denied that he had ever contacted a bank lobbying organization. *T hasten to add, however, that I certainly have not discouraged people who 'share my concern about your proposal from making their views?Û? known.</br></br>The organization in question is the American Bankers Association, which represents nearly all of the 13,-000 commercial banks in the country.</br></br>An ABA official said last night that the initial contact between the Fed and the bankers came after a press conference in Chicago on Oct. 7 in which then ABA president Eugene H.