7.5. Electronically controlled brake force distribution systems that cannot fulfil the requirements of paragraphs 7.1., 7.2., 7.3. and 7.4. above shall have a self-checking procedure of the functions which influence brake force distribution. In addition, when the vehicle is stationary, it shall be possible to carry out the checks defined in paragraph 1.3.1. above, by generating the nominal demand pressure associated with the commencement of braking for both the laden and unladen conditions. a0c0