##### 7.1.2.4.2 Technically Constrained Precertificate Signing CA Extended Key Usage | __Key Purpose__ | __OID__ | __Presence__ | | ---- | ---- | - | | Precertificate Signing Certificate | 1.3.6.1.4.1.11129.2.4.4 | MUST | | Any other value | - | MUST NOT |