a military tenement of greater or lesser extent, according to the ancient custom of  fees.15 Such will be the reasonable relief for military fees.
Who is bound to relief.
 Who ought to give a relief. It is he who succeeds another by hereditary right,  in whose person the inheritance, which lies vacant by his ancestor's death, is again  raised; he and no other. For he who enters into seisin through some causa of  acquisition, as by purchase or gift, shall not give a relief; only if he enters by way  of succession.
To whom is he bound.
 To whom must it be given. To no one except chief lords and immediate feoffors.  If there are several chief lords, ascending step by step, each heir shall give a relief  to his own feoffor, or to the lord king if he happens to hold of him in chief by  military service, not to the others.
 How often. It is clear that it is to be paid once only, that is, as long as the heir who  once relieved [the tenement] remains alive. It is not to be paid because of a change of  lords, if several chief lords die from heir to heir, [for] though because of that several  homages must be taken, and they are several in the reckoning of the lords, there will  be but a single homage from the tenant's standpoint, though several times renewed,  and therefore there will be but one relief.16 And so when the tenant has once given a  relief and a change of lords occurs through gift or purchase, judgment or agreement,  or in any other way whatever, though the tenant is bound to do homage to the  several lords who have acquired, or if the lord of whom he first held is removed as  mesne because of felony or the failure of heirs,17 to the [next] superior lord,18 he shall  not on that account pay a relief, since the inheritance he once relieved does not fall  in his person though it falls in the person of his chief lord by death or transfer, failure  of heirs or felony.
 When must relief be given from a military fee. It must be given after homage done  and when his inheritance has been restored to him by his chief lord, or when,  having come to full age, he has put himself into vacant possession without hindrance  or contradiction.