16 FEDERAL RESERVE ACT Sec. such reports shall be made annually on call of the Federal reserve bank on dates to be fixed by the Federal Reserve Board. Failure to make such reports within ten days after the date they are called for shall subject the offend- ing bank to a penalty of $100 a day for each day that it [ails to transmit such report; such penalty to be collected by the Federal reserve bank by suit or otherwise. As a condition of membership such banks shall likewise be subject to examinations made by direction of the Federal Reserve Board or of the Federal reserve bank by sxaminers selected or approved by the Federal Reserve Board. Whenever the directors of the Federal reserve bank shall approve the examinations made by the State author- ities, such examinations and the reports thereof may be accepted in lieu of examinations made by examiners selected or approved by the Federal Reserve Board: Pro- vided, however, That when it deems it necessary the board may order special examinations by examiners of its own selection and shall in all cases approve the form of the report. The expenses of all examinations, other than those made by State authorities, may, in the discretion of the Federal Reserve Board, be assessed against the banks examined and, when so assessed, shall be paid by the banks examined. Copies of the reports of such exam- inations may, in the discretion of the Federal Reserve Board, be furnished to the State authorities having super- vision of such banks, to officers, directors, or receivers of such banks, and to any other proper persons. If at any time it shall appear to the Federal Reserve Board that a member bank has failed to comply with the provisions of this section or the regulations of the Federal Reserve Board made pursuant thereto, or has ceased to exercise banking functions without a receiver or liquidat- ing agent having been appointed therefor, it shall be within the power of the board after hearing to require such bank 0 surrender its stock in the Federal reserve bank and to forfeit all rights and privileges of membership. The Fed- ara] Reserve Board may restore membership upon due proof of compliance with the conditions imposed by this section. Any State bank or trust company desiring to withdraw from membership in a Federal reserve bank may do so, after six months’ written notice shall have been filed with