The Union of Printing and Paper (German: Gewerkschaft Druck und Papier, GDP; French: Syndicat du livre et du papier) was a trade union representing most printing industry workers in Switzerland.
Like both its predecessors, it affiliated to the Swiss Trade Union Federation.
During the count, the Zurich candidate was suspected of electoral fraud, and a criminal investigation led the union to announce that the election would be re-run.
However, before it could do so, the Zurich candidate withdrew, and Gerster remained in office until 1989.
[2] The 1980s was a difficult time for the union, which found itself in a weakening position with regard to both employers and unskilled workers in the industry.