Article 7:623 Dutch Civil Code, Book 7

Paragraph 1

The employer is obliged to pay wages fixed in money on a time basis each time at the end of the period over which the wages must be calculated under the contract, on the understanding that the period for payment is not shorter than one week and not longer than one month.

Paragraph 2

The period at the end of which the wages must be paid may be extended by written contract, but to no longer than one month where the period over which the wages must be calculated under the contract is one week or shorter, and to no longer than one quarter where the period over which the wages must be calculated under the contract is one month or longer.

Paragraph 3

Only the employee is entitled to invoke the ground for annulment in order to annul a stipulation that derogates from this Article.