| 25 | Council Directive of 12 December 1977 on the approximation of the laws of the Member States relating to the colouring matters which may be added to medicinal products (78/25/EEC) | 12 Dec 1977 |
| 50 | Council Directive 78/50/EEC of 13 December 1977 supplementing, as regards the chilling process, Directive 71/118/EEC on health problems affecting trade in fresh poultrymeat | 13 Dec 1977 |
| 51 | Council Directive 78/51/EEC of 13 December 1977 prolonging certain derogation measures in respect of brucellosis and tuberculosis granted to Denmark, Ireland and the United Kingdom | 13 Dec 1977 |
| 52 | Council Directive of 13 December 1977 establishing the Community criteria for national plans for the accelerated eradication of brucellosis, tuberculosis and enzootic leukosis in cattle (78/52/EEC) | 13 Dec 1977 |
| 53 | Council Directive 78/53/EEC of 19 December 1977 laying down additional provisions relating to the statistical surveys to be carried out by Member States on bovine livestock | 19 Dec 1977 |
| 54 | Council Directive 78/54/EEC of 19 December 1977 extending the derogations granted in respect of protection against swine fever to Denmark, Ireland and the United Kingdom | 19 Dec 1977 |
| 55 | Council Directive 78/55/EEC of 19 December 1977 amending Directives 66/400/EEC, 66/401/EEC, 66/402/EEC, 68/193/EEC, 69/208/EEC, 70/458/EEC and 70/457/EEC on the marketing of beet seed, fodder plant seed, cereal seed, material for the vegetative propagation of the vine, seed of oil and fibre plants, vegetable seed and on the common catalogue of varieties of agricultural plant species | 19 Dec 1977 |
| 58 | Twentieth Commission Directive 78/58/EEC of 7 December 1977 amending the Annexes to Council Directive 70/524/EEC concerning additives in feedingstuffs | 7 Dec 1977 |
| 77 | Commission Directive 78/77/EEC of 23 December 1977 amending Directive 72/108/EEC fixing standard rates of yield for certain inward processing arrangements | 23 Dec 1977 |
| 117 | Twenty-First Commission Directive 78/117/EEC of 23 December 1977 amending the Annexes to Council Directive 70/524/EEC concerning additives in feedingstuffs | 23 Dec 1977 |
| 142 | Council Directive 78/142/EEC of 30 January 1978 on the approximation of the laws of the Member States relating to materials and articles which contain vinyl chloride monomer and are intended to come into contact with foodstuffs | 30 Jan 1978 |
| 143 | Council Directive 78/143/EEC of 30 January 1978 amending for the second time Directive 70/357/EEC on the approximation of the laws of the Member States concerning the antioxidants authorized for use in foodstuffs intended for human consumption | 30 Jan 1978 |
| 144 | Council Directive 78/144/EEC of 30 January 1978 amending for the sixth time the Council Directive of 23 October 1962 on the approximation of the laws of the Member States concerning the colouring matters authorized for use in foodstuffs intended for human consumption | 30 Jan 1978 |
| 145 | Council Directive 78/145/EEC of 30 January 1978 amending for the 13th time Directive 64/54/EEC on the approximation of the laws of the Member States concerning the preservatives authorized for use in foodstuffs intended for human consumption | 30 Jan 1978 |
| 166 | Council Directive 78/166/EEC of 13 February 1978 concerning coordinated statistics on the business cycle in building and civil engineering | 13 Feb 1978 |
| 170 | Council Directive of 13 February 1978 on the performance of heat generators for space heating and the production of hot water in new or existing non-industrial buildings and on the insulation of heat and domestic hot-water distribution in new non-industrial buildings (78/170/EEC) | 13 Feb 1978 |
| 175 | Council Directive 78/175/EEC of 20 February 1978 amending the First Directive on the establishment of common rules for certain types of carriage of goods by road between Member States | 20 Feb 1978 |
| 176 | Council Directive of 20 February 1978 on waste from the titanium dioxide industry (78/176/EEC) | 20 Feb 1978 |
| 206 | Commission Directive 78/206/EEC of 7 February 1978 on the customs treatment of goods re-imported in the unaltered state under outward processing arrangements | 7 Feb 1978 |
| 315 | Council Directive 78/315/EEC of 21 December 1977 amending Directive 70/156/EEC on the approximation of the laws of the Member States relating to the type- approval of motor vehicles and their trailers | 21 Dec 1977 |
| 316 | Council Directive 78/316/EEC of 21 December 1977 on the approximation of the laws of the Member States relating to the interior fittings of motor vehicles (identification of controls, tell-tales and indicators) | 21 Dec 1977 |
| 317 | Council Directive of 21 December 1977 on the approximation of the laws of the Member States relating to the defrosting and demisting systems of glazed surfaces of motor vehicles (78/317/EEC) | 21 Dec 1977 |
| 318 | Council Directive of 21 December 1977 on the approximation of the laws of the Member States relating to the wiper and washer systems of motor vehicles (78/318/EEC) | 21 Dec 1977 |
| 319 | Council Directive 78/319/EEC of 20 March 1978 on toxic and dangerous waste | 20 Mar 1978 |
| 320 | Council Directive 78/320/EEC of 20 March 1978 supplementing Directive 72/280/EEC on the statistical surveys to be made by Member States on milk and milk products | 20 Mar 1978 |
| 338 | Council Directive 78/338/EEC of 4 April 1978 on aid to shipbuilding | 4 Apr 1978 |
| 365 | Commission Directive 78/365/EEC of 31 March 1978 adapting to technical progress for the second time Council Directive 71/318/EEC on the approximation of the laws of the Member States relating to gas volume meters | 31 Mar 1978 |
| 386 | First Commission Directive 78/386/EEC of 18 April 1978 amending the Annexes to Directive 66/401/EEC on the marketing of fodder plant seed | 18 Apr 1978 |
| 387 | First Commission Directive 78/387/EEC of 18 April 1978 amending the Annexes to Directive 66/402/EEC on the marketing of cereal seed | 18 Apr 1978 |
| 388 | First Commission Directive 78/388/EEC of 18 April 1978 amending the Annexes to Directive 69/208/EEC on the marketing of seed of oil and fibre plants | 18 Apr 1978 |
| 420 | Council Directive 78/420/EEC of 2 May 1978 amending Second Directive 75/319/EEC on the approximation of provisions laid down by law, regulation or administrative action relating to proprietary medicinal products | 2 May 1978 |
| 453 | Council Directive 78/453/EEC of 22 May 1978 on the harmonization of provisions laid down by law, regulation or administrative action concerning deferred payment of import duties or export duties | 22 May 1978 |
| 473 | Council Directive 78/473/EEC of 30 May 1978 on the coordination of laws, regulations and administrative provisions relating to Community co-insurance | 30 May 1978 |
| 507 | Commission Directive 78/507/EEC of 19 May 1978 adapting to technical progress Council Directive 76/114/EEC on the approximation of the laws of the Member States relating to statutory plates and inscriptions for motor vehicles and their trailers, and their location and method of attachment | 19 May 1978 |
| 511 | Commission Directive 78/511/EEC of 24 May 1978 amending Directive 74/268/EEC laying down special conditions concerning the presence of 'Avena fatua' in fodder plant and cereal seed | 24 May 1978 |
| 522 | Twenty-second Commission Directive 78/522/EEC of 30 May 1978 amending the Annexes to Council Directive 70/524/EEC concerning additives in feedingstuffs | 30 May 1978 |
| 546 | Council Directive 78/546/EEC of 12 June 1978 on statistical returns in respect of carriage of goods by road, as part of regional statistics | 12 Jun 1978 |
| 547 | Council Directive 78/547/EEC of 12 June 1978 amending Directive 70/156/EEC on the approximation of the laws of the Member States relating to the type-approval of motor vehicles and their trailers | 12 Jun 1978 |
| 548 | Council Directive 78/548/EEC of 12 June 1978 on the approximation of the laws of the Member States relating to heating systems for the passenger compartment of motor vehicles | 12 Jun 1978 |
| 549 | Council Directive of 12 June 1978 on the approximation of the laws of the Member States relating to the wheel guards of motor vehicles (78/549/EEC) | 12 Jun 1978 |
| 582 | Commission Directive 78/582/EEC of 28 June 1978 amending Directive 77/16/EEC on the application of Article 31 of the Council Directive of 4 March 1969 on the harmonization of provisions laid down by law, regulation or administrative action in respect of inward processing as regards certain cereal products | 28 Jun 1978 |
| 583 | Ninth Council Directive 78/583/EEC of 26 June 1978 on the harmonization of the laws of the Member States relating to turnover taxes | 26 Jun 1978 |
| 609 | Council Directive 78/609/EEC of 29 June 1978 amending for the fifth time Directive 73/241/EEC on the approximation of the laws of the Member States relating to cocoa and chocolate products intended for human consumption | 29 Jun 1978 |
| 610 | Council Directive 78/610/EEC of 29 June 1978 on the approximation of the laws, regulations and administrative provisions of the Member States on the protection of the health of workers exposed to vinyl chloride monomer | 29 Jun 1978 |
| 611 | Council Directive 78/611/EEC of 29 June 1978 on the approximation of the laws of the Member States concerning the lead content of petrol | 29 Jun 1978 |
| 612 | Council Directive 78/612/EEC of 29 June 1978 amending for the first time Directive 74/329/EEC on the approximation of the laws of the Member States relating to emulsifiers, stabilizers, thickeners and gelling agents for use in foodstuffs | 29 Jun 1978 |
| 613 | Twenty-third Commission Directive 78/613/EEC of 23 June 1978 amending the Annexes to Council Directive 70/524/EEC concerning the additives in feedingstuffs | 23 Jun 1978 |
| 627 | Council Directive 78/627/EEC of 19 June 1978 on the programme to accelerate the restructuring and conversion of vineyards in certain Mediterranean regions in France | 19 Jun 1978 |
| 628 | Council Directive 78/628/EEC of 19 June 1978 on a programme to accelerate drainage operations in the less- favoured areas of the west of Ireland | 19 Jun 1978 |
| 629 | Council Directive 78/629/EEC of 19 June 1978 adapting to technical progress Directive 73/362/EEC on the approximation of the laws of the Member States relating to material measures of length | 19 Jun 1978 |
| 630 | Council Directive 78/630/EEC of 19 June 1978 amending for the first time Directive 76/118/EEC on the approximation of the laws of the Member States relating to certain partly or wholly dehydrated preserved milk for human consumption | 19 Jun 1978 |
| 631 | Council Directive 78/631/EEC of 26 June 1978 on the approximation of the laws of the Member States relating to the classification, packaging and labelling of dangerous preparations (pesticides) | 26 Jun 1978 |
| 632 | Commission Directive 78/632/EEC of 19 May 1978 adapting to technical progress Council Directive 74/60/EEC on the approximation of the laws of the Member States relating to the interior fittings of motor vehicles (interior parts of the passenger compartment other than the interior rear-view mirrors, layout of controls, the roof or opening roof, the backrest and rear part of the seats) | 19 May 1978 |
| 633 | Eight Commission Directive of 15 June 1978 establishing Community methods of analysis for the official control of feedingstuffs (78/633/EEC) | 15 Jun 1978 |
| 659 | Council Directive of 18 July 1978 on the quality of fresh waters needing protection or improvement in order to support fish life (78/659/EEC) | 18 Jul 1978 |
| 660 | Fourth Council Directive of 25 July 1978 based on Article 54 (3) (g) of the Treaty on the annual accounts of certain types of companies (78/660/EEC) | 25 Jul 1978 |
| 663 | Council Directive of 25 July 1978 laying down specific criteria of purity for emulsifiers, stabilizers, thickeners and gelling agents for use in foodstuffs (78/663/EEC) | 25 Jul 1978 |
| 664 | Council Directive 78/664/EEC of 25 July 1978 laying down specific criteria of purity for antioxidants which may be used in foodstuffs intended for human consumption | 25 Jul 1978 |
| 665 | Commission Directive 78/665/EEC of 14 July 1978 adapting to technical progress Directive 70/220/EEC on the approximation of the laws of the Member States relating to measures to be taken against pollution of the air by gases from positive ignition engines installed in motor vehicles | 14 Jul 1978 |
| 669 | Council Directive 78/669/EEC of 2 August 1978 amending Directive 71/305/EEC concerning the coordination of procedures for the award of public works contracts | 2 Aug 1978 |
| 686 | Council Directive of 25 July 1978 concerning the mutual recognition of diplomas, certificates and other evidence of the formal qualifications of pratitioners of dentistry, including measures to facilitate the effective exercise of the right of establishment and freedom to provide services (78/686/EEC) | 25 Jul 1978 |
| 687 | Council Directive of 25 July 1978 concerning the coordination of provisions laid down by law, regulation or administrative action in respect of the activities of dental practitioners (78/687/EEC) | 25 Jul 1978 |
| 692 | Council Directive 78/692/EEC of 25 July 1978 amending Directives 66/400/EEC, 66/401/EEC, 66/402/EEC, 66/403/EEC, 68/193/EEC, 69/208/EEC and 70/458/EEC on the marketing of beet seed, fodder plant seed, cereal seed, seed potatoes, material for the vegetative propagation of the vine, seed of oil and fibre plants and vegetable seed | 25 Jul 1978 |
| 743 | Twenty-Fourth Commission Directive 78/743/EEC of 28 July 1978 amending the Annexes to Council Directive 70/524/EEC concerning additives in feedingstuffs | 28 Jul 1978 |
| 764 | Council Directive of 25 July 1978 on the approximation of the laws of the Member States relating to the driver's seat on wheeled agricultural or forestry tractors (78/764/EEC) | 25 Jul 1978 |
| 765 | Commission Directive 78/765/EEC of 7 September 1978 amending Directive 76/447/EEC relating to the triangular system of the outward processing procedure | 7 Sep 1978 |
| 816 | Council Directive 78/816/EEC of 26 September 1978 amending Directive 66/403/EEC on the marketing of seed potatoes | 26 Sep 1978 |
| 841 | Council Directive 78/841/EEC of 10 October 1978 adapting the conditions laid down for the grant of medium-term financial assistance to the Italian Republic | 10 Oct 1978 |
| 842 | Council Directive 78/842/EEC of 10 October 1978 amending for the sixth time Directive 73/241/EEC on the approximation of the laws of the Member States relating to cocoa and chocolate products intended for human consumption | 10 Oct 1978 |
| 855 | Third Council Directive of 9 October 1978 based on Article 54 (3) (g) of the Treaty concerning mergers of public limited liability companies (78/855/EEC) | 9 Oct 1978 |
| 891 | Commission Directive 78/891/EEC of 28 September 1978 adapting to technical progress the Annexes to Council Directives 75/106/EEC and 76/211/EEC on prepackaging | 28 Sep 1978 |
| 932 | Council Directive of 16 October 1978 on the approximation of the laws of the Member States relating to head restraints of seats of motor vehicles (78/932/EEC) | 16 Oct 1978 |
| 933 | Council Directive of 17 October 1978 on the approximation of the laws of the Member States relating to the installation of lighting and light-signalling devices on wheeled agricultural and forestry tractors (78/933/EEC) | 17 Oct 1978 |
| 974 | Twenty-fifth Commission Directive 78/974/EEC of 16 November 1978 amending the Annexes to Council Directive 70/524/EEC concerning additives in feedingstuffs | 16 Nov 1978 |
| 1015 | Council Directive 78/1015/EEC of 23 November 1978 on the approximation of the laws of the Member States on the permissible sound level and exhaust system of motorcycles | 23 Nov 1978 |
| 1016 | Council Directive 78/1016/EEC of 23 November 1978 amending Directive 76/135/EEC on reciprocal recognition of navigability licences for inland waterway vessels | 23 Nov 1978 |
| 1017 | Council Directive 78/1017/EEC of 24 November 1978 amending Directive 72/159/EEC on the modernization of farms and Directive 73/131/EEC on the guidance premium provided for in Article 10 of the Directive of 17 April 1972 on the modernization of farms | 24 Nov 1978 |
| 1018 | Council Directive 78/1018/EEC of 27 November 1978 on the harmonization of provisions laid down by law, regulation or administrative action in respect of standard exchange of goods exported for repair | 27 Nov 1978 |
| 1020 | Council Directive 78/1020/EEC of 5 December 1978 amending Directives 66/401/EEC, 66/402/EEC and 69/208/EEC on the marketing of fodder plant seed, cereal seed of oil and fibre plants | 5 Dec 1978 |
| 1026 | Council Directive of 18 December 1978 concerning the mutual recognition of diplomas, certificates and other evidence of formal qualifications in veterinary medicine, including measures to facilitate the effective exercise of the right of establishment and freedom to provide services (78/1026/EEC) | 18 Dec 1978 |
| 1027 | Council Directive of 18 December 1978 concerning the coordination of provisions laid down by law, regulation or administrative action in respect of the activities of veterinary surgeons (78/1027/EEC) | 18 Dec 1978 |
| 1031 | Council Directive 78/1031/EEC of 5 December 1978 on the approximation of the laws of the Member States relating to automatic checkweighing and weight grading machines | 5 Dec 1978 |
| 1032 | Third Council Directive 78/1032/EEC of 19 December 1978 on the harmonization of provisions laid down by law, regulation or administrative action relating to the rules governing turnover tax and excise duty applicable in international travel | 19 Dec 1978 |
| 1033 | Fourth Council Directive 78/1033/EEC of 19 December 1978 amending Directive 69/169/EEC on the harmonization of provisions laid down by law, regulation or administrative action relating to exemption from turnover tax and excise duty on imports in international travel | 19 Dec 1978 |
| 1034 | Second Council Directive 78/1034/EEC of 19 December 1978 amending Directive 74/651/EEC on the tax reliefs to be allowed on the importation of goods in small consignments of a non-commercial character within the Community | 19 Dec 1978 |
| 1035 | Council Directive of 19 December 1978 on the exemption from taxes of imports of small consignments of goods of a non-commercial character from third countries (78/1035/EEC) | 19 Dec 1978 |