#1. Historical Development
N. 1 Art. 110 BV traces back to Art. 34ter old BV, which was inserted into the old Federal Constitution in 1947. The economic articles of 1947 created for the first time a comprehensive constitutional basis for labour law at the federal level (BBl 1945 I 869; BBl 1947 II 549). The revision took place after the end of the Second World War with the aim of anchoring the social policy achievements of the war years in constitutional law.
N. 2 The total revision of the Federal Constitution of 1999 largely adopted the normative content of Art. 34ter old BV unchanged (BBl 1997 I 1, 278 f.). However, Art. 110 para. 3 BV was newly added, which establishes 1 August as a paid federal holiday. This addition goes back to the popular initiative «for a work-free federal holiday», which was accepted in 1993 (BBl 1991 III 269; BBl 1993 II 1305).
N. 3 The constitutional historical development shows that employee protection was gradually expanded: from the selective Factory Act of 1877 via the economic articles of 1947 to today's comprehensive federal competence. Tschudi emphasises that the constitutional norm grants the Confederation not only an authorisation but a mandate to enact employee protection provisions.
#2. Systematic Classification
N. 4 Art. 110 BV stands in the 8th section on «Housing, Work, Social Security and Health». The norm forms, together with Art. 108 BV (home ownership and residential construction promotion), Art. 111-114 BV (social insurance) and Art. 117-120 BV (health), a system of social policy competences of the Confederation.
N. 5 The provision shows close connections to fundamental rights: → Art. 8 BV (equality before the law) for the requirements for declarations of general applicability, → Art. 23 BV (freedom of association) for negative freedom of association, → Art. 27 BV (economic freedom) for entrepreneurial activity. As a comprehensive federal competence, Art. 110 para. 1 BV acts derogatorily against conflicting cantonal law according to → Art. 49 BV (BGE 139 I 242 E. 3.2).
N. 6 Art. 110 BV is to be distinguished from → Art. 122 BV (civil law), which regulates the private law aspects of employment contracts. The delimitation is made according to the protective purpose: public law employee protection falls under Art. 110 BV, while contractual arrangements are subject to Art. 122 BV (Häfelin/Haller/Keller/Thurnherr, Bundesstaatsrecht, N 1321).
#3. Elements of the Offence / Normative Content
N. 7 Employee protection (para. 1 lit. a): The competence encompasses all measures for the protection of the physical and psychological integrity of employees. This includes working time, health protection, protection against dismissal and special protective norms for young people and pregnant women. The Employment Act (ArG) forms the central implementation of this competence.
N. 8 Collective labour law (para. 1 lit. b): The provision enables the regulation of social partnership. The scope is disputed: Cardinaux denies a basis for entrepreneurial co-determination, since the sovereign rejected corresponding proposals and such an intervention in property and economic freedom would require a clearer constitutional basis. Eichenberger, on the other hand, affirms the possibility of more extensive co-determination at the enterprise level.
N. 9 Employment services (para. 1 lit. c): The competence covers public and private employment services as well as temporary employment. The Employment Services Act (AVG) regulates licensing obligations and protective provisions for placed and temporary employees.
N. 10 Declaration of general applicability (para. 1 lit. d, para. 2): The Confederation may declare collective employment agreements generally applicable. Para. 2 establishes material limits: minority interests and regional differences must be taken into account, equality before the law and freedom of association (particularly negative freedom of association) must be preserved (BGE 146 II 335 E. 4.3).
N. 11 Federal holiday (para. 3): 1 August is the only constitutionally anchored holiday. It is «legally equivalent to Sundays in terms of employment law and is paid». This establishes a direct constitutional wage claim, also for hourly workers (BGE 136 I 290 E. 3.2).
#4. Legal Consequences
N. 12 Art. 110 BV grants the Confederation a comprehensive, concurrent legislative competence with subsequently derogatory effect. If the Confederation has legislated, conflicting cantonal law is excluded (BGE 138 I 356 E. 3.1). The cantons retain competences only insofar as federal law deliberately leaves room.
N. 13 The norm-setting delegation in Art. 110 para. 1 lit. d BV authorises the Federal Council to declare collective employment agreements generally applicable. These thereby acquire the character of law and also apply to non-union members (BGE 128 II 13 E. 3a). The declaration of general applicability must preserve the principle of the «open door» (BGE 146 II 335 E. 4.4).
N. 14 The wage claim from Art. 110 para. 3 BV is directly applicable. Employees have a right to continued wage payment for 1 August, provided this falls on a normal working day. A contractual waiver is void (Portmann/Stöckli, Arbeitsrecht, N 752).
#5. Disputes
N. 15 Scope of co-determination: The doctrine is divided on the scope of Art. 110 para. 1 lit. b BV. Cardinaux rejects a constitutional basis for genuine enterprise co-determination and refers to the rejection of corresponding initiatives by the sovereign as well as the serious intervention in property and economic freedom. Eichenberger, on the other hand, sees in the formulation «joint regulation of operational and professional matters» a sufficient basis for more extensive co-determination rights.
N. 16 Holiday compensation: It was long disputed whether Art. 110 para. 3 BV applies only to monthly wage earners or also to hourly workers. The Federal Court clarified that the constitutional wage claim applies to all employees, provided 1 August falls on a working day (BGE 136 I 290 E. 3). Streiff/von Kaenel/Rudolph criticise this restriction as too narrow (Arbeitsvertrag, N 4 zu Art. 329 OR).
N. 17 Limits of declaration of general applicability: Legal scholarship discusses how far the limits of Art. 110 para. 2 BV reach. Geiser/Müller demand a restrictive approach to protect negative freedom of association (Arbeitsrecht, § 20 N 18). Wyler/Heinzer advocate for a more generous practice in the interest of area-wide protection (Droit du travail, S. 678).
#6. Practice Notes
N. 18 In declaring general applicability, the formal requirements of the AVEG must be strictly observed. The quorum of 50% of employers and employees must be proven. The cantonal authorities must be consulted (Art. 11 AVEG).
N. 19 Companies must examine when taking over operations whether generally applicable collective employment agreements apply. The operational classification is made according to the prevailing activity (BGE 151 III 28 E. 2.3). Mixed operations are to be classified according to their focus.
N. 20 For calculating holiday compensation on 1 August: For variable working hours, the average of the last 12 months is decisive. Part-time workers receive wages according to their workload. Compensation is also due in case of illness or accident, provided there is an obligation to continue wage payments (Vischer/Müller, Arbeitsvertrag, N 6 zu Art. 329 OR).