四分律行事鈔資持記 3.462

3.462

三中。體謂正藥，分即餘助。二法者，即手口二受。（有云即體分二藥，屬法所收，故云二法。）別來謂不同時買，別受謂隨得隨加。

In the third: "substance" refers to the primary medicine, and "portion" refers to the remaining adjuvants. The "two methods" are hand reception and verbal reception. (Some say it means the substance and portion, the two medicines, are subsumed under the method, hence called "two methods.") "Coming separately" means not bought at the same time; "separately received" means adding authorization as each is obtained.