To supersede the requirements of Clause 2.7.1.5.(1)(a) regarding the minimum width of aisles between rows of seats if alignment of seats is assured by the tables.
This is to limit the probability of delays in evacuation or movement to a safe place in an emergency, which could lead to harm to persons.
To waive the requirements of Clause 2.7.1.5.(1)(b) regarding fastening of seats if alignment of seats is assured by the tables.