The guardian, so long as he shall have the custody of the land, shall keep up and maintain the houses, parks, fishponds, pools, mills, and other things pertaining thereto, out of the issues of the same, and shall restore to the heir when he comes of age, all his land stocked with {ploughs and tillage, according as the season may require and the issues of the land can reasonable bear} PLOUGHS AND ALL OTHER THINGS, AT THE LEAST AS HE RECEIVED IT. ALL THESE THINGS SHALL BE OBSERVED IN THE CUSTODIES OF VACANT ARCHBISHOPRICKS, BISHOPRICKS, ABBEYS, PRIORIES, CHURCHES, AND DIGNITIES, WHICH APPERTAIN TO US; EXCEPT THIS, THAT SUCH CUSTODY SHALL NOT BE SOLD.