Price Revision Clause Template

^{If the revision is index-free
‍}
The price of services may be revised by the Service Provider. The Service Provider undertakes to inform the Customer of any price changes by any written means, with a minimum of Maximum period to inform on price revision months before the new prices come into effect.
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If the customer does not accept the new prices, he/she must terminate the contract subject to the notice period specified in the "Duration" article.
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The customer is deemed to have accepted the new prices if he uses the services after they come into force.

^{If the revision is based on an index
‍}
The Parties agree that the price of the services may be revised on each anniversary date of the contract, obtained by reference to the index Index (the "Index"), in accordance with the following formula :
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P1 = P0 * I1 / I0

... in which:
- P0 is the pre-revision price,
- I0 is the last index published on the date on which the pre-revision price was determined,
- I1 is the last index published on the revision date,
- P1 is the post-revision price.