Questions on invoicing

For the build-up of claims or the defence against unjustified counter-claims, the relationships between disturbances, changes and their effects must be recognised. The claims resulting from this are formulated in the context of a claimmanagement.

  • Preparation of an original calculation developed later for the invoicing of terminated global lump-sum contracts
  • Instruction and cooperation when preparing terminated lump-sum contracts in plant engineering
  • Checking of final invoices
  • Checking of invoicing for preparing fraud trials
  • Compensation calculations in case of considerable changes in quantities