<prompt> Translate the following text to EnglishChini ya mpango wa mvua ya asidi na wito wa NOx SIP, mmiliki au mwendeshaji wa kila kitengo kinachohusika lazima awe na vyeti angalau sawa na uzalishaji wa kila mwaka kutoka kwa kitengo hicho.  <response>: Under the Acid Rain Program and the NOx SIP call, the owner or operator of each affected unit must hold allowances at least equal to annual emissions from the unit. 