Artikel 12

1. The present Agreement shall enter into force on the first day of the second month following the date on which the Contracting Parties have informed each other in writing that the procedures constitutionally required therefore in their respective countries have been complied with, and shall remain in force for a period of 15 years.
2. Unless notice of termination has been given by either Contracting Party at least six months before the date of the expiry of its validity, the present Agreement shall be extended tacitly for periods of 10 years, each Contracting Party reserving the right to terminate the Agreement upon notice of at least six months before the date of expiry of the current period of validity.
3. In respect of investments made before the date of the termination of the present Agreement the foregoing Articles thereof shall continue to be effective for a further periode of 15 years from that date.
4. Subject to the period mentioned in paragraph 2 of the present Article, the Government of the Kingdom of the Netherlands shall be entitled to terminate the application of the present Agreement separately in respect of one of the parts of the Kingdom.