Eu Ops
3. Visual reference. A pilot may not continue an approach below the Category I decision height, determined in accordance with subparagraph (c)2. above, unless at least one of the following visual references for the intended runway is distinctly visible and identifiable to the pilot:
(i) Elements of the approach light system;
(ii) The threshold;
(iii) The threshold markings;
(iv) The threshold lights;
(v) The threshold identification lights;
(vi) The visual glide slope indicator;
(vii) The touchdown zone or touchdown zone markings;
(viii) The touchdown zone lights; or
(ix) Runway edge lights.
Your company ops manual may be more restrictive.