7. Other current assets and current financial assets
  | 
            
  | 
            2022  | 
            
  | 
            2021  | 
        
  | 
            
  | 
            MCHF  | 
            
  | 
            MCHF  | 
        
Value added tax receivables  | 
            
  | 
            78.9  | 
            
  | 
            62.6  | 
        
Income tax refunds receivable  | 
            
  | 
            12.3  | 
            
  | 
            13.5  | 
        
Short-term derivative financial instruments (see Note 15)  | 
            
  | 
            0.2  | 
            
  | 
            0.0  | 
        
Prepaid expenses  | 
            
  | 
            14.2  | 
            
  | 
            13.5  | 
        
Receivables from governments  | 
            
  | 
            3.0  | 
            
  | 
            2.1  | 
        
Other current assets  | 
            
  | 
            13.8  | 
            
  | 
            12.5  | 
        
Total other current assets and current financial assets  | 
            
  | 
            122.4  | 
            
  | 
            104.2  |