On 12 February 2017, Swiss voters rejected the third corporate tax reform (CTR III) by 59.1 % no. Only four cantons accepted it. Turnout reached about 46.8 %.
The reform aimed to abolish the privileged tax statuses of holding and mixed companies — challenged by the OECD and the EU — while introducing new instruments (patent box, research deductions, notional interest) and financial compensation for the cantons.
The left, led by the Social Democrats, the Greens and the unions, launched the referendum, denouncing massive tax losses and a « gift » to shareholders. Two years later a corrected version — the TRAF — would be approved by 66.4 %.
This fact sheet tests the campaign arguments against the facts observed since the vote.
▲ Cantons that accepted Vaud, Nidwalden, Zug and Ticino (4 cantons). | ▼ Cantons that rejected The other 22 cantons, with the sharpest rejections in Bern (68.4 %), Jura (66.9 %), Solothurn (65.9 %) and Fribourg (63.2 %). |
Actors and personalities
▲ Yes camp • Federal Council and the federal administration • FDP, SVP, Centre, BDP the centre-right majority • economiesuisse and business circles | ▼ No camp • Social Democrats sponsors of the referendum • The Greens and the left • SGB, Unia and unions the union front |
Arguments and verdicts
▲ Arguments FOR (2) Without reform, companies will leave and legal uncertainty will set in « There is a real danger that firms will no longer settle in Switzerland, or even leave. » — Ueli Maurer, Finance Minister, 2017 ✗~ Partly refuted The reform was indeed needed, but the doomsday scenario did not occur: a corrected version (TRAF) was approved as early as May 2019, the statuses were abolished on 1 January 2020 and the business location stayed attractive. Source: admin.ch / FDF, TRAF vote 2019. The privileged tax statuses must be abolished « Switzerland has committed to the OECD to abolish these contested regimes. » — Federal Council, 2017 ✓ Argument confirmed The privileged statuses of holdings, domicile and mixed companies were indeed abolished when the TRAF entered into force on 1 January 2020. Source: FDF / cantons, TRAF implementation. | ▼ Arguments AGAINST (2) The bill is unbalanced and will cost billions « Losses would reach at least 1.3 billion a year for the Confederation alone, paid by citizens. » — Referendum committee (SP/SGB), 2017 ✓~ Partly confirmed The bill was deemed excessive and replaced by the more balanced TRAF: capped deductions and a social counterpart via additional AHV financing of about 2 billion a year. Source: admin.ch, TRAF dispatch 2018. A better reform is possible if this one is rejected « Rejecting this text will not prevent a balanced, acceptable reform. » — Social Democrats, 2017 ✓ Argument confirmed The TRAF, approved by 66.4 % in May 2019, delivered a corrected version linked to AHV financing — vindicating the 2017 referendum strategy. Source: admin.ch, vote of 19 May 2019. |
Factual record
2 Confirmed | 1 Partly confirmed | 1 Partly refuted | 0 Refuted |
| ✓ | A corrected reform was adopted two years later The 2017 no did not block the reform: the TRAF, approved by 66.4 % on 19 May 2019, abolished the privileged statuses while adding a social component (AHV financing). The referendum strategy paid off. Source: admin.ch, TRAF vote 2019. |
| ~ | The doomsday scenario did not materialise Despite the Finance Minister's warning, the abolition of the privileged statuses (2020) was not accompanied by any documented corporate exodus. The two-year delay did, however, prolong a period of uncertainty for the cantons. Source: FDF / cantons. |
The rejection of CTR III was an emblematic victory for the left, which denounced a project too generous to companies and costly for public bodies. The verdict of facts largely proved it right.
The need to reform was not disputed: the privileged tax statuses had to disappear under OECD pressure, which they did. But the no camp was right on the essentials: a more balanced reform was possible. The TRAF, approved by 66.4 % in 2019, demonstrated it.
The Federal Council's warning of a corporate exodus and lasting legal uncertainty, by contrast, did not come true. The speed with which a new version was found limited the damage, even if the cantons endured two years of uncertainty.
Ultimately, the 2017 « no » did not kill the reform: it redirected it, grafting on a social counterpart that made the next version a comfortable majority.