NS Dutch Railways has recently introduced a new and more complicated discount card structure. The previous “korting” card (known as a voordeeluren) cost €55 per year and gave a 40% discount on fares for the holder and up to 3 other passengers. The discount was valid after 0900 on weekdays, and at any time during weekends and July and August. The summer months were considered off-peak due to the large number of Dutch residents heading off to sunnier climes.
The discount subscriptions are now based on newly defined peak hours which are weekdays 0630-0900 and 1600-1830. Up to 3 people can still travel with the card holder at the 40% discount fare during off-peak times. The new card options are as follows:
Dal Voordeel (Off-peak discount) – this effectively replaces the old card and costs €50 per year. The 40% discount is not available between the peak hours of 0630-0900 and 1600-1830. The card holder still gets the discount anytime during weekends, but the July and August peak-time discounts have been dropped.
Altijd Voordeel (Anytime discount) – This costs €20 per month (€240 per year) and gives a 20% discount off travel during peak hours (0630-0900 / 1600-1830) and a 40% discount during other times.
Weekend Vrij (Weekend free travel) – This costs €40 per month 2nd class and €65 per month 1st class. This allows a 40% discount during off-peak, no discount during the weekday peak hours and free travel at the weekend, from Friday 1830 to Monday 0400.
Dal Vrij (Off-peak free travel) - This costs €95 per month 2nd class and €165 per month 1st class and allows free off-peak travel. No discount for peak time travel.
Altijd Vrij (Free travel) – For €295 per month 2nd class and €495 per month 1st class you can get totally unrestricted free travel.

All discount card holder are entitled up to 3 free Kids Vrij (Kids free) subscriptions which allow children aged 4-11 to travel free with the card holder at anytime. The Kids Vrij card can also be bought separately for €15 per year for travel with an adult.
Adults 60+ can pay a supplement of €14 (2nd class) or € 39 (1st class) to the Dal Voordeel or Altijd Voordeel subscriptions to get 7 unrestricted free travel days (known as keuzedagen).
Those aged 65+ can get the Weekend Vrij card for €20 per month (instead of €40) or the Dal Vrij for €40 (instead of €95).
New subscriptions are currently valid on NS trains only. Note that the card holder must now use the OV chip card rather than paper tickets.