Section 193. Limitation upon business which may be transacted at public accommodation office

No  business  other  than  that   actually   and  necessarily  involved  in connection with the performance of one or more
  of the functions enumerated in this section shall be transacted  at  any
  public accommodation office:
    (a)  the  receipt  of  deposits  of  money, currency, checks and other
  similar items;
    (b) the payment of withdrawals;
    (c) the cashing of checks, drafts and other similar items;
    (d) the receipt of moneys due to the banking institution;
    (e) the issuance of cashier's checks, treasurer's checks, money orders
  and other similar items; and
    (f) the disbursement of funds pursuant to an existing  loan  agreement
  or extension of credit which provides for advances to or for the account
  of  the  borrower,  by  means  of  honoring  one or more checks or other
  written orders or by use of a credit card or other similar arrangement.
    Nothing contained in this section shall be construed to authorize  the
  performance  of  any  function  or  the  rendition of any service in any
  public accommodation  office  which  such  banking  institution  is  not
  otherwise authorized to engage in by other provisions of this chapter or
  other law.