Typically, tickets or entrance fees for interior access are handled on-site during opening hours by volunteers or designated staff.
For direct entry or guided tours of the interior of the Central Nissewaard Windmill, any applicable fees or donations are usually collected on-site. There is generally no advance online ticketing system for this type of local historical mill.
It is advisable to check the mill's official operating schedule and any specific instructions before visiting, as opening hours for interior access are often limited and run by volunteers. During special events, on-site payment or donations are the standard procedure. Cash might be preferred for smaller contributions.