27 C ONFIDENTIAL NO T F OR DIS TR IB UTIO N At conv ersion mining claims may increa se in s ize to include the whole of a ny ce ll partia lly ov er lapped by a legac y cla im A clie nt could v oluntarily surre nder o r allow canc ella tion of any ce lls dee med surplus Partial abandonme nts must be whole ce lls Any claim wo uld fo rfeit on its due date if th e require d wo rk is not per formed and file d o r cr edits have not bee n assig ned Po st Co nversi on