There two theories of interpretation about the phrase 'based on the spirit of the lay' mentioned in the latter part without any adjectives; one advocates that this should be interpreted as Fukai-no-Joten/ Fukaijoten according to the context, and the other argues that this phrase is commonly used in other documents as well and it does not mean a certain specific law.
後の方の修飾語なしの「法の随に」については、文脈上不改常典のことと理解すべきだとする説と、他にも見える常套句で特定の法を指したものではないとする説とがある。