“Holy Scripture for Ismailis” are the Farmans, or Decree, made by His Highness the Aga Khan IV, from 1957 – 2009 (the end of his Golden Jubilee). The decrees are the esoteric interpretation of Quran and Islam in general.
de·cree
/dəˈkrē/
1. an official order issued by a legal authority.
According to Aga Khan, the Quran is written in acronym AMPS (Allegory, Metaphor, Parable and Symbol) due to spiritual or esoteric interpretation of Islam and Ismailism.