Investments for the purpose of building, renovating, restructuring, extending or making accessible as provided for in articles L. 111-7 to L. 111-7-4 of the Construction and Housing Code, for the benefit of annexes to municipal and inter-municipal libraries can only be taken into account if:
a) In municipalities or within public establishments for inter-municipal cooperation with fewer than 10,000 inhabitants, the surface area of the main or sector library to which the annex is attached is at least equal to the surface area determined under the conditions provided for in l’article R. 1614-79 and the surface area of the annex is at least 100 square metres;
b) In communes or within public establishments for inter-communal cooperation with at least 10,000 inhabitants, the surface area of the annex is more than 300 square metres, whatever the surface area of the main or sector library to which the annex is attached.