Page History

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1. We can't add lines that are already in the batch 
2. Making sure not to overpay a supplier
3. We can't send a negative value (total)

Design: 

Filter: 

1. Supplier filter: 
   1. supplier area
   2. supplier class
   3. supplier group 
   4. supplier on hold
   5. supplier range (from -to)
2. Transaction filter: 
   1. transaction on hold
   2. Due date
   3. action date

Settings:

1. Bank account 
2. Payment line aggregation (summing up all the lines of the supplier into one group) 

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