42. The emission units allocated without charge in accordance with this Division are placed in the general account of the emitter.
The units come from the allocation account of the Minister or, if that account does not contain enough units, from the Minister’s reserve account using, in order, the Class C, B and A units placed on reserve as determined in section 58.
In the latter case, the reserve account is replenished using the emission units available following the adjustment for subsequent years carried out in accordance with the first, second and third paragraphs of section 41, or using the units issued in excess and surrendered to the Minister in accordance with the fourth paragraph of that section. The serial numbers of the emission units placed in this way in the reserve account are replaced by numbers corresponding to the category replenished.