(a)
the overall safety level of the subsystem concerned may be adversely affected by the works envisaged;
← art_18__para_6__text_1 · All articles · art_18__para_6__point_a__text_1 →
Source: EUR-Lex (Cellar) · retrieved 2026-10-12 · Text as adopted (Official Journal); later amendments are not incorporated in this text.