Refer from your requested as below.
Reference SGHA items.1.2 ( Handling in case of return to ramp will not be charged extra,provided that a physical change in load is not involved. If there is a change in load, the additional charge will be for the usage of GSEs and manpower hours, or 50% of the per flight handling charge in 1.1.1, whichever rate is lower )
In case the invoice nbr.dmk-201512032aircraft return to bay 53 and request equipment 3 items.