D.2 Drafting conventions

33.1283GPPProtocol and procedures for Lawful Interception (LI)Release 18SecurityStage 3TS

Table D.2-1: Drafting conventions

D.2.1

The details for each field, including a complete description of the usage, format, cardinality and conditionality of that field, are given in the prose in the main body of the document.

D.2.2

The field names used in the main body of the document match those used in the ASN.1.

D.2.3

ASN.1 comments are not used, except to indicate:

1. Where to find a description of the field or structure in the main body of the specification.

2. When a tag is reserved for a purpose in an equivalent structure (see D.4.15) or a different Release, to avoid a potential tag conflict in the future.

D.2.4

If a field is made conditional, the condition for its presence or absence is specified.

D.2.5

When a mandatory field is deprecated, the table of main text is modified. The "field" column is not changed. The description column is changed into "No longer used in present version of this specification" and a placeholder value is specified. The value of "M/C/O" column is not changed.

When an optional field is deprecated, the table of main text is modified. The "field" column is not changed. The description column is changed into "No longer used in present version of this specification". The value of "M/C/O" column is not changed.

When a conditional field is deprecated, the table of main text is modified. The "field" column is not changed. The description column is changed into "No longer used in present version of this specification". The value of "M/C/O" column is set to "O".

When a field is deprecated, the ASN.1 is not changed (see D.4.14).