These codes differ from those used in ISO 3166-1 .

In North America, building codes may differ not only state to state, but town to town, the tighter specification applying at all times.

For example, the titles and codes of the case reports, drugs, personnel, equipment, inspection and examination differ in different hospitals.

Since chloroplast and mitochondrial genetic codes differ slightly from the eukaryotic nuclear code, some genes may lose function when they are transferred.

Electrical codes differ based on geographic area.

The code differed from privileges previously issued by the Grand Duke because the code granted no new rights to the nobility.

Highlighted rows indicate those entries in which the three-letter codes differ from column to column.

The second is: Do such codes differ in terms of the particular words, meanings, premises, and rules about communicative conduct that they include?

These codes differ in terminology, and there is a long-term project to "harmonize" this.

These codes and responsa may differ from each other as regards detail (and reflecting the above differences, on the weight assigned to various issues).