Kent, S., Kong, D., Seo, K., and R. Watro, "Certificate Policy (CP) for the Resource Public Key Infrastructure (RPKI)", BCP 173, RFC 6484, February 2012. 

Kent, S., Kong, D., and K. Seo, "Template for a Certification Practice Statement (CPS) for the Resource PKI (RPKI)", BCP 173, RFC 7382, April 2015.

<https://www.rfc-editor.org/info/bcp173>