<prompt> Translate the following text to EnglishHii inatofautiana na masharti ya mnada katika kifungu cha 416 cha sasa, ambayo inatoa mnada wa bei inayopungua ambapo wauzaji wa mnada wanunua vyeti kwa bei zao za mnada.  <response>: This contrasts with the auction provisions in the existing Section 416 providing for a declining price auction where winning bidders purchase allowances at their bid prices. 