# Norms and standards

Standards are where bitmark's structure pays most. Every provision, note,
example, figure, formula and table is a bit of its own type, normative or
not, with the ID the standards body gave it.

## Provisions as bits

```bitmark
[.smart-standard-article-normative]
[@customerId: cl_411_3_2 ]
[%411.3.2]
The protective device shall disconnect the supply within the time given in Table 41.1.

[.smart-standard-note-non-normative]
[%NOTE]
Shorter times may apply to final circuits.
```

The smart-standard bits come in normative and non-normative kinds:
articles, notes, examples, figures, formulas, definition lists, lists,
legends and bibliography entries, several of them also collapsible. The
reference lists them all under the smart standards group.

## From the standards body's XML

Standards are produced in XML, often NISO STS. The parser imports it
directly and keeps every ID and cross-reference of the original on the
customer side; see [The Rosetta Map](https://docs.bitmark-association.org/concepts/rosetta-map.md).

## National deviations and training layers

A national committee's deviations, or a training layer with explanations and
videos, sit on top of the international text as a diff book: the original
stays untouched, and each change names the provision it changes; see
[Alias and diff books](https://docs.bitmark-association.org/concepts/alias-and-diff-books.md).

## Where bitmark sits on the SMART levels

![Five levels of digital standards. Level 3, granular units with unique IDs and their links, is marked bitmark today; Level 4, machine-interpretable content, is marked in progress. A conversion service lifts PDF and scans from Level 1 to Level 3; the Rosetta Map brings XML at Level 2 into bitmark at Level 3 with its IDs.](https://docs.bitmark-association.org/assets/images/smart-levels.svg)

The levels of digital standards come from the DIN/DKE IDiS model, as
published in
[KANBrief 1/22](https://www.kan.de/en/publications/kanbrief/2022/1-22/scenarios-for-the-digital-transformation-in-standardization-and-standards/).
bitmark meets Level 3 as KAN defines it: granular units, uniquely
identified, with their relationships recorded. Level 4, content that
machines can execute directly, is the work of the association's Level 4
working group.