List 229: Gender – based on ISO 5218
| Value | Description | Notes | Issue number | Modified in Issue |
|---|---|---|---|---|
| u | Unknown or unspecified | Provides positive indication that the gender is not known or is not specified by the sender for any reason | 33 | |
| f | Female | 33 | ||
| m | Male | 33 |
| Value | Description | Notes | Issue number | Modified in Issue |
|---|---|---|---|---|
| u | Unknown or unspecified | Provides positive indication that the gender is not known or is not specified by the sender for any reason | 33 | |
| f | Female | 33 | ||
| m | Male | 33 |