Proposal to amend para. 6.7.2.2. of Annex B4 to clarify the use of aerodynamic force values for body components and optional equipment, amend para. 3.2.3.2.2.3. of Annex B7 to update terminology from optional equipment to body components and/or optional equipment and to expand the alternative method to Level 1B, and amend para. 3.2.3.2.2.3.2.1. to require manufacturers to declare identifying information for simulation software and calculation conditions to be documented in test reports and agreed with the responsible authority.