A1. The regulator must calculate the preliminary annual number of allowances to be allocated free of charge in respect of a new entrant for scheme years in the relevant allocation period in accordance with this Article.

A2. Where the start of normal operation of a new entrant is before the date on which the permit (including a permit within the meaning of GGETSR 2012) for the installation comes into force, for the purposes of this Article and Article 18a:

(a) the start of normal operation must be treated as the date on which the permit comes into force; and

(b) the activity level of the year in which the start of normal operation occurs must be treated as the activity level of that year excluding any days before the date on which the permit comes into force.

1. Where the historical activity level of a sub-installation of the new entrant has been determined under Article 17, the preliminary annual number of allowances to be allocated free of charge in respect of the sub-installation for the first scheme year in the relevant allocation period after the year in which the start of normal operation occurs and for each subsequent scheme year in the relevant allocation period is as follows: