Determine which legal clause the following paragraph belongs to: The Engagement Fees referred to in clause 6.1 are with respect to full- time Engagement based on a 35- hour week. Engagement Fees in relation to the Engagement of part- time Permanent Staff and part- time Contract Staff shall be calculated pro- rata to the number of hours for which they are engaged. Should the number of hours of part- time Permanent Staff and part- time Contract Staff increase within the first three months following engagement, the Engagement Fees shall be of hours is increased from the date falling three months after Engagement, no additional