work contract

Correct invoicing of work contracts

If work is carried out by an external company on the basis of a contract for work and labour, the question arises as to how the services provided are invoiced by the contractor. Among other things, billing on an hourly wage basis is possible. What evidence can the client demand with this billing model? Possible billing models for contracts for work and services In principle, the following models can be used for billing contracts for work and [...]
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