That is explained on The Ra Contact page.
Note that there is a distinction to be made between the actual Law of One and the books titled The Law of One. The latter contain the transcripts of a transmission from a humble messenger speaking about the former. Of the former, Ra says: “There is no possibility of a complete source of information of the Law of One in this density.” #26.4
For an introductory dive into consideration of the Law of One as the principle all-governing reality, visit the “About this Philosophy” section below.