Read the untranslated law here: http://www.ris.bka.gv.at/Dokumente/BgblAuth/BGBLA_2013_I_145/BGBLA_2013_I_145.html
145. Federal law that modifies the General civil law code
The National Council has decided:
Change of the General Civil Code
The General Civil Code by June 1, 1811, JGS no 946/1811, as amended by Federal Law Gazette I no. 50/2013, will with effect from 1 January 2014 amended as follows:
section 1154 b paragraph 6, first sentence, is:
"(6) by collective agreement, derogations can be made from paragraph 5, unless, the prevention of service within the meaning of paragraph 5 is due to the personal involvement of the service supplier or the service employee by a disaster."
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