For the purposes of this sub-chapter, the following definitions apply:(1) “annual service agreement” means an agreement on professional services with a designer or consultant, subject to the restrictions set out in this sub-chapter. Prohibitions on debauchery and prohibitions on competition are also the responsibility of the customer and whether he wants to prevent the provider from making unfair competition or recruiting companies for a certain period. Domestic Annual Service Contract Gas: €170.00 Domestic Annual Service Contract Oil: €195.00 Annual service contracts can be paid in a single instalment or more than 3 standing order payments/levy over the 12 months of the contract. .