Is it permitted to drop off a passenger at a location where a solid yellow line is marked on the upper surface of the curb and a “No Stopping” sign is posted?

Explanation

Stopping to let a passenger out is a stop. Sign 3.27 "No stopping" and the yellow solid line 1.4 used with it prohibit both stopping and parking, with no exception for public transport vehicles or for times when none are around (Law, Article 2; Rules, sign 3.27, marking 1.4).