| Afsprakenstelsel 1.2.1 | https://twiin-afsprakenstelsel.public.vzvz.nl/ta121/10-2-kern-volume-2a-twiin-technical-agreements |
| Afsprakenstelsel 1.3.1 | https://twiin-afsprakenstelsel.public.vzvz.nl/ta131/10-2-kern-volume-2a-twiin-technical-agreements |
| 00. Afsprakenstelsel | |
| 10.02.00 Volume 2a - Twiin Technical Agreements | |