• Preliminary Examination Committee "Specialist Lawyer Procurement Law" of the Cologne Bar Association
• Cologne/Bonn/Koblenz regional group of Deutsches Vergabenetzwerk (DVNW)
• Bundesverband (German Association) Public Private Partnership e.V. (BPPP)
• Forum vergabe e.V. (public procurement association)

Books:

Section 50 German Ordinance on the Award of Public Contracts (VgV) – European Single Procurement Document (ESPD)
Dr Lars Hettich
in: Kommentar zur VgV und UVgO, Malte Müller-Wrede (Ed.), 2017, Bundesanzeiger Verlag

The New Procurement Law - A Systematic Presentation of the New EU Procurement Directives
Dr Lars Hettich and Daniel Soudry (Ed.)
Bundesanzeiger (Federal Gazette), 2015

Executive Board, Management and Representation
Dr Lars Hettich
in: Vorstand der AG (Board of Directors of a Stock Corporation), Dr. Jürgen van Kann (Ed.), 2nd edition 2012

Essays/ Articles:

"The Prohibition of Changes and Its Exceptions - Contracting Authorities May Subsequently Lower Excessively High Requirements", Notes on the Decision of the Federal Public Procurement Chamber of 13 February 2019, file ref. VK 2-118/18
Dr Lars Hettich
Supply Magazin, 04/2019

"Exclusion in Case of Poor Performance"
Dr Lars Hettich
KTM - Krankenhaus, Technik + Management, No. 4/2018, p. 16 et seq.

"Right to Determine and Right to Substitute When Economic and Financial Capacity of Service Is Proven, Comments on ECJ Judgement, Decision of 13 July 2017, Case C-76/16
Dr Lars Hettich
NZBau 4/2018, 197 et seq.

"Reverse Charging of Tax for Foreign Bidders: Indication of Net Price Is Correct!", Annotations on Judgement of VK Bund, Decision of 18 September 2017, VK 2-94/17
Dr Lars Hettich
Behörden Spiegel 3/2018

"Without a Lot - Funds Lost“, Notes on the Decision of the Administrative Court of Bavaria dated 22 May 2017, File ref. 4 ZB 16.577
Dr Lars Hettich
Behörden Spiegel 10/2017

"Unlawful, yet Commendable“, Notes on the Decision of the Public Procurement Tribunal Lüneburg dated 13 March 2017, File ref. VgK-02/2017
Dr Lars Hettich
Supply-Magazin, 5/2017, p. 38 et seq.

"The Mistakes of the Past“, Notes on the Decisions of the Higher Regional Court of Celle dated 9 January 2017, File ref. 13-Verg 9/16, and the Public Procurement Tribunal Saxony, Decision dated 1 March 2017, File ref. 1/SVK/037-16
Dr Lars Hettich
Recycling Magazin, 17/2017, p. 24 et seq.

Electronic Procurement in Accordance with the New EU Procurement Law
Dr Lars Hettich
IP-Rechts-Berater,  11/2016, p. 253 et seq.

Trainings for Works Councils in the Public Sector
Dr Lars Hettich and Christoph Legerlotz
Arbeits-Rechts-Berater,  09/2016, p. 285 et seq.

Minimum Wage in Compliance with European Law, Notes on the Ruling of the ECJ of 17 November 2015, Case C-115/14 („RegioPost“) 
Dr Lars Hettich
Vergabeblog.de of 6 December 2015, No. 24350

Competition versus conclusion of Contracts of Indefinite Duration, Notes on the Decision of the Federal Public Procurement Chamber of 9 April 2015, fiel ref. VK 2-19/15 
Dr Lars Hettich
Behörden Spiegel, 05/2015

Framework Agreements Without Limitation?
Dr Lars Hettich
Behörden Spiegel, 12/2014

In Case of Pure Price Competition No Alternative Tenders Permitted, Commentary on the Decision of the Federal Court of Justice of 7 January 2014, fiel ref. X ZB 15/13
Dr Lars Hettich
Kommunaler-Beschaffungs-Dienst, 06/2014

Room for Manoeuvre after Having Been Awarded
Dr Lars Hettich
Recycling Magazin, 14/2014, p. 24

The End of Groups of Bidders?, Commentary on the Decision of the Berlin Higher Regional Court of 24 October 2013, file ref. Verg 11/13
Dr Lars Hettich
Behörden Spiegel, 03/2014

Groups of Bidders Inadmissible?, Commentary on the Decision of the Berlin Higher Regional Court of 24 October 2013, file ref. Verg 11/13
Dr Lars Hettich
Kommunaler-Beschaffungs-Dienst, 03/14

Bidder-Related Quality Features as Award Criteria
Dr Lars Hettich
Behörden Spiegel, 10/2013

Everything Is Still a Grey Area - Interview on Service Concessions in the Waste Management Industry
Dr Lars Hettich
Recycling Magazin, 10/2013, p. 17

Multiple Participation of Suppliers in Public Award Procedures
Dr Lars Hettich
Kommunaler-Beschaffungs-Dienst, 09/2013

Secondary Construction Materials in Procurement Law - Possibilities of a Subsequent Consid-eration
Dr Lars Hettich
Behörden Spiegel, 08/2013

Procurement Law Aspects of Municipal Real Property Transactions: Important Innovations Through Case Law of the European Court of Justice
Dr Lars Hettich
ZfIR – Zeitschrift für Immobilienrecht, 20/2010, p. 738 et seq.

Lectures:

"Legally Compliant Award of Construction Works – All That Matters in a Nutshell", seminar of nohr con GmbH, Berlin, 25 September 2019;

"The Top 10 of The New Procurement Law", Seminar of Behörden Spiegel, Dusseldorf, 18 /19 September 2019;

Information Meeting on Current Topics Under Procurement and Data Protection law of KPV - Kommunalpolitische Vereinigung der CDU/CSU (Local Politics Association of CDU/CSU), Frechen, 16 November 2016;

"Municipal Tender Procedures - No Award and Now?", Lecture at the 3. Internationaler Alttextiltag 2014, Berchtesgaden, 16 May 2014;

"Recycling Building Materials in Procurement Law", Lecture at the Mineraliktag des bvse - Bundesverband Sekundärrohstoffe und Entsorgung e.V., Munich, 25 to 26 February 2014.

Seminars:

"Procurement Law Today", Speech on Recent Decisions by the ECJ (EMS and Regulation 1370/2007) and review instances, 10 May 2019, Dusseldorf (together with Sascha Opheys);

"Procurement Law Update", in-house training session on procurement law issues at an internationally operating healthcare company, 11 April 2019, Kleve (together with Sascha Opheys);

"Crisis Management in the Award Procedure", Hamburg Award Day 2019, 24/25 January 2019;

"Award of long-term contracts", vhw-Seminar Frankfurt, 6 February 2019;

"Recent Developments in Procurement Law", Beiten Burkhardt Practice Talk, Dusseldorf, 23 January 2018, 18 May 2018, 23 November 2018 and 7 December 2018;

"Legally Compliant Award of Construction Works – All That Matters in a Nutshell", all-day seminar for Nohrcon, 29 November 2018, Berlin (together with Sascha Opheys);

"Procurement Law Basics", Bundesanzeiger Verlag Köln, Cologne, 11 October 2018;

"Award and Procurement of IT Services", seminar of the association vhw - Bundesverband für Wohnen und Stadtentwicklung e.V., Cologne, 4 July 2018;

"Award of Long-Term Contracts", seminar of vhw - Bundesverband für Wohnen und Stadtentwicklung e.V., Leipzig, 7 June 2018;

"An Outline of Procurement Law", in-house seminar for a safety engineering company, Berlin, 22 May 2018;

"Law for Awarding Public Contracts Below EU thresholds", in-house seminar for the Senate of Berlin, Bundesanzeiger Verlag Berlin, Berlin, 17 and 18 April 2018;

"Award of Supplies and Services in the Range Above the Threshold Value“, Seminar of nohr con GmbH, Cologne, 14 March 2018;

"Award of Long-Term Contracts - Problems in Practice and Solutions“, Seminar of vhw - Bundesverband für Wohnen und Stadtentwicklung e.V., Mannheim, 6 March 2018;

"Award of IT Services", Seminar of vhw - Bundesverband für Wohnen und Stadtentwicklung e.V., Leipzig, 15 May 2017;

"Award of Long-Term Contracts - Practical Tips Regarding the Applicability, Design and Implementation", Seminar of vhw - Bundesverband für Wohnen und Stadtentwicklung e.V., Essen, 2 March 2017;

"The New Rules of Procedure for the Awarding of Below-Threshold Contracts", In-house training for an IT company, Cologne, 15 February 2017;

"Award of Long-Term Contracts - Practical Tips Regarding the Applicability, Design and Implementation", Seminar of vhw - Bundesverband für Wohnen und Stadtentwicklung e.V., Essen, 1 February 2017;

"The New Procurement Law Applied to Below-Threshold Contracts", In-house training for Kulturstiftung des Bundes, Berlin, 13 October 2016;

"The Amendment to Procurement Law 2016 - All That Matters in a Nutshell“, In-house training of Kulturstiftung des Bundes, Halle an der Saale, 13 October 2016;

"Award of Long-Term Contracts - Practical Tips Regarding the Applicability, Design and Implementation", Seminar of vhw - Bundesverband für Wohnen und Stadtentwicklung e.V., Hannover, 14 September 2016;

"Expert Training on The Amendment to Procurement Law 2016", In-house training of the Saarland University, Saarbrücken, 30 August 2016;

"The Amendment to Procurement Law 2016 - All That Matters in a Nutshell", Seminar of kbw - kommunales Bildungswerk e.V., Berlin, 17 August 2016;

"Award of Long-Term Contracts - Problems in Practice and Solutions", Seminar of vhw  - Bundesverband für Wohnen und Stadtentwicklung e.V., Mainz, 23 June 2016;

"The New Procurement Law - Amendments of Practical Relevance and New Regulations", Seminar of dbb Akademie - Akademie des Deutschen Beamtenbundes e.V., Cologne, 14 June 2016;

"The Procurement Law Reform - All That Matters in a Nutshell", Seminar of kbw - kommunales Bildungswerk e.V., Hamburg, 8 June 2016;

"The Procurement Law Reform - All That Matters in a Nutshell", Seminar of kbw - kommunales Bildungswerk e.V., Berlin, 28 April 2016;

"Observance of Collective Agreements and Minimum Wage", Practical Seminar of Behörden Spiegel, Cologne, 11 April 2015;

"Focus on Public Procurement Law - New Legal Requirements on the Waste Management Industry", Seminar of BDE - Bundesverband der Deutschen Entsorgungs-, Wasser- und Rohstoffwirtschaft e.V, Berlin, 15 March 2016;

"The Top 10 of Procurement Law - Solutions to the Ten Most Relevant Problems in Practice", Seminar of Behörden Spiegel, Cologne, 29 February to 1 March 2016;

"Subsequent Contract Adjustments Pursuant to the New Procurement Law – New Leeway or Old Wine in New Skins?", Workshop at Hamburger Vergabetag, 22 January 2016;

"Establishment and Operation of Asylum Seekers' Accommodation Facilities", Seminar of kbw - kommunales Bildungswerk e.V., Cologne, 11 January 2016;

"Observance of Collective Agreements and Minimum Wage", Practical Seminar of Behörden Spiegel, Cologne, 15 September 2015;

"The Top 10 of Procurement Law - Solutions to the Ten Most Relevant Problems in Practice", Seminar of Behörden Spiegel, Cologne, 2 to 3 February 2016;

"Flexible Procurement by Framework Agreements", Workshop at the Hamburger Vergabetag, 24 January 2015;

"Groups of Bidders and Subcontractors", Workshop at the 1. Deutschen Vergabetag des DVNW - Deutsches Vergabenetzwerk, Berlin, 23 October 2014;

"The Top 10 of Procurement Law - The Ten Most Relevant Problems in Practice and The Solutions Thereto", Seminar of Behörden Spiegel, Cologne, 18 to 19 September 2014;

"Subcontractors and Groups of Bidders", Workshop at the Hamburger Vergabetag des DVNW - Deutsches Vergabenetzwerk, 31 January 2014;

"Procurement Law in the Focus of the Waste Management Industry – Selected Issues", Practical Seminar of BDE - Bundesverband der Deutschen Entsorgungs-, Wasser- und Rohstoffwirtschaft e.V., Cologne, 23 January 2014;

"The Top 10 of Procurement Law - The Ten Most Relevant Problems in Practice and The Solutions Thereto", Seminar of Behörden Spiegel, Cologne, 4 November 2013;

"Basic Principles of Procurement Law", In-house training for an IT company, Cologne, 16 October 2013;

"Procurement Law Under Change", Practical Seminar of BDE - Bundesverband der Deutschen Entsorgungs-, Wasser- und Rohstoffwirtschaft e.V., Berlin, 25 September 2013.