(a) The NOPs are responsible for the payment of the excesses applicable to those policies effected by the NOPs under clause 18.3 and which will be treated as a Reimbursable Cost. The payment of any excess in accordance with this clause will not alter or lead to a change to the TOC.
(b) The Owner Participant is responsible for the payment of the excesses applicable to those policies effected by the Owner Participant under clause 18.1 and which will be treated as a Reimbursable Cost for the purposes of calculating the AOC under this Agreement. The payment of any excess in accordance with this clause 19.4(b) will not alter or lead to a change to the TOC. The NOPs will not be entitled to be reimbursed any Reimbursable Costs, nor paid any Corporate Overhead and Profit, under this clause 19.4(b).