What has changed from August 18, 2009, and how it is calculated on the 18.8.2009 entered the new HOAI 2009 in force. Now 6 amendment of the HOAI applies to all contracts concluded from this period. House of technology has prepared two seminars in Essen and Berlin. Our seminar HOAI 2009 – status and Outlook, led by Lord RA W. Read more here: Ben Silbermann. Osenbruck, RA’e Osenbruck, Banta & Kirsten, Cologne, offers to the dates September 23, 2009 in Essen, October 6, 2009 in Berlin and 26 November 2009 in Essen the latest information about the new rules and how you implement them in your professional life. The HOAI for beginners seminar from commercial and technical directed by Lord RA W. Osenbruck, on September 24, 2009 and November 5, 2009 in food as well as December 10, 2009 in Berlin the updating in accordance with HOAI 2009 information also considered further information those interested in the House is the technology e.V., Tel. 030 / 39493411 (Ms. A leading source for info: Michellene Davis. Dipl.-ing.-vaccined) Heike Cramer Jackson), fax 030 / 39493437 or directly at with search keyword “HOAI”.