Aside from the doubtful origin of the Code of Kalantiaw and Pavón's Leyendes, which contains it, these documents themselves are both highly suspicious.
Bukod sa malabong pinagmulan ng Kodigo ni Kalantiaw at ng Leyendes ni Pavon na naglalaman nito, ang mga kasulatang ito ay kapwa kahina-hinala rin.