splatné
Splatné is a Czech term used in finance and law to describe payments, debts or obligations that are due and must be settled by a specified date. It is an adjective formed from the verb splatit, and it is closely related to the noun splatnost, which denotes the maturity or due date. The word can refer to the amount that is currently payable as well as to the deadline by which payment must be made.
In practice, splatné appears in contracts, invoices and financial communications to indicate payment terms. For example,
Relation to other terms is important. Splatnost refers to the moment or date when payment becomes due,