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BCP 13 contains the following RFCs:
NumberFilesTitleAuthorsDateMore InfoStatus
RFC 4289, BCP 13ASCII, PDFMultipurpose Internet Mail Extensions (MIME) Part Four: Registration ProceduresN. Freed, J. KlensinDecember 2005Obsoletes RFC 2048Best Current Practice
RFC 6838, BCP 13ASCII, PDFMedia Type Specifications and Registration ProceduresN. Freed, J. Klensin, T. HansenJanuary 2013Obsoletes RFC 4288Best Current Practice

Abstract of RFC 4289

This document specifies IANA registration procedures for MIME external body access types and content-transfer-encodings. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.

Abstract of RFC 6838

This document defines procedures for the specification and registration of media types for use in HTTP, MIME, and other Internet protocols. This memo documents an Internet Best Current Practice.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.

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