四分律刪繁補闕行事鈔 2.73

2.73

二明互用。又分四：一三寶互，二當分互，三像共寶互，四一一物互。

Second, explaining mutual transference of use. This is further divided into four: 1. mutual transference among the Three Jewels; 2. mutual transference within the same category; 3. mutual transference between images and jewels; 4. mutual transference between individual items.