Throughout the reference documentation, the key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" are to be interpreted as described in [RFC2119](https://datatracker.ietf.org/doc/html/rfc2119).
This section specifies the structure and format of Risk Data Library Standard (RDLS) metadata.
The schema reference is the canonical reference for the structure of RDLS metadata, the meaning of each field, and the rules that must be followed to publish RDLS metadata. You can also view the schema in an interactive browser.
The codelist reference is the canonical reference for the meaning of the codes used to limit and standardise the possible values of fields in RDLS metadata.
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schema
browser
codelists
package_schema