Although it actually varied depending on the financial condition of a feudal lord, the feudal estate or each land condition, and the rate was often defined in tenths, hundredths or thousandths, and in the Kyoto-Osaka area, Men was called 'Rin tori' (literally, collecting in units of Rin) because the rate was fixed to Rin.
しかし、実際には領主の財政状況や所領や個々の土地の条件などによってまちまちであり、かつ分・厘・毛単位まで定められている場合が多かった（特に上方では厘毛単位まで免を定めたために、免を「厘取り」とも称した）。