| BČK |
Opuscard contactless chip card |
| EMCARD |
1 kB BČK issued by transit operators, electronic wallet only |
| KCF |
Frýdlantská Card Center, Liberec IS, full-service BČK issuer |
| KM |
Contact point, limited BČK issuer services |
| KD |
Primary Carrier, e-money administrator |
| LIS |
Liberecká IS, a.s., Opuscard issuer |
| LMK |
Liberec City Card, BČK, predecessor of Opuscard |
| MHD |
public transit |
| PAD |
suburban bus service |
| Replacement document |
A document entitling the passenger to travel within the IDOL network while their card is being replaced |
