. we evaluate deferred tax assets on an ongoing basis and provide valuation allowances if it is determined to be 201cmore likely than not 201d that the deferred tax benefit will not be realized . federal income taxes are provided on the portion of the income of foreign subsidiaries that is expected to be remitted to the u.s . we operate within numerous taxing jurisdictions . we are subject to regulatory z i m m e r h o l d i n g s , i n c