《后汉书·本纪·孝安帝纪》
二十九日，诏京师及郡国被水灾损害了庄稼的，按田亩减少田租。
丙午，诏京师及郡国被水雨份稼者，随顷亩减田租。
On the 29th day, the emperor issued an edict to reduce the land tax for farmers in the capital and regions whose crops had been damaged by floods, according to the acreage.