+Article 18 4.

Article 18 4.

If the contract provides for a future change of the product or price, or a discount, this shall be indicated on the bill together with the date on which the change takes place.

1. Overview

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Summary Regulation

1.1 References

1.2 Identified Requirements

1.3 Related Standards

2. Identified Requirements

Requirements
Source Requirement

3. Related Standards

Standards
Source Requirement