Does a broken line in front of a pedestrian crossing indicate a conditional stopping area?

Why?

The transverse line of rectangles before the crossing is P-14, a conditional stop line. It marks where you must stop when the situation requires it, for example to give way to a pedestrian.

§ 89 ust. 3 pkt 2 rozporządzenia w sprawie znaków i sygnałów drogowych