Division 4 New paragraphs 2 bis and 2 ter are inserted as follows:

‘2 bis.

A Party that was already a Party to the present Protocol prior to entry into force of an amendment that introduces new source categories may apply the limit values applicable to an “existing stationary source” to any source in such a new category the construction or substantial modification of which is commenced before the expiry of one year from the date of entry into force of that amendment for that Party, unless and until that source later undergoes substantial modification.

2 ter.

A Party that was already a Party to the present Protocol prior to entry into force of an amendment that introduces new limit values applicable to a “new stationary source” may continue to apply the previously applicable limit values to any source the construction or substantial modification of which is commenced before the expiry of one year from the date of entry into force of that amendment for that Party, unless and until that source later undergoes substantial modification.’