Made in writing . This means a writing contract document on which the signatures of all parties appear . Examples of contracts which must be made in writing are : hire-purchase contracts , share transfer agreements ( with or without payment consideration ) ante-nuptial agreements ( commonly knomn as prenuptial agreements ) , and holographic ( nuwithessed ) Wills . All these contracts , if not made in writing , are according to the law null and void , and any rights granted therein cannot be claimed .