§ 383. Special limitations on certain excess credits, etc.
(a)
 Excess credits 
(1)
 In general 
Under regulations, if an ownership change occurs with respect to a corporation, the amount of any excess credit for any taxable year which may be used in any post-change year shall be limited to an amount determined on the basis of the tax liability which is attributable to so much of the taxable income as does not exceed the section 
382 limitation for such post-change year to the extent available after the application of section 
382 and subsections (b) and (c) of this section.
(b)
 Limitation on net capital loss 
If an ownership change occurs with respect to a corporation, the amount of any net capital loss under section 
1212 for any taxable year before the 1st post-change year which may be used in any post-change year shall be limited under regulations which shall be based on the principles applicable under section 
382. Such regulations shall provide that any such net capital loss used in a post-change year shall reduce the section 
382 limitation which is applied to pre-change losses under section 
382 for such year.
(d)
 Pro ration rules for year which includes change 
For purposes of this section, rules similar to the rules of subsections (b)(3) and (d)(1)(B) of section 
382 shall apply.
(e)
 Definitions 
               	 	
               	 	
Terms used in this section shall have the same respective meanings as when used in section 
382, except that appropriate adjustments shall be made to take into account that the limitations of this section apply to credits and net capital losses.