A contract surcharge must be used if you need to make minor changes to a contract or agreement. In general, this is the case if a term or condition of the contract does not work as intended and needs to be adapted, for example. B a simple date change or if you need to add or remove a clause. Endorsements can only be implemented if they comply with existing contractual conditions. Many contracts offer special circumstances in which conditions may be changed. Check the original contract and look for conditions that prohibit aftershocks, allow one party to change the contract without the agreement of the other party, or other requirements for aftershocks. The following is the addendum developed for the FAS Harvard School in conjunction with Harvard FAS`s Open Access Policy of February 12, 2008. A complementary contract cannot be legally enforced unless both parties fully understand the new terms and accept them in writing. All parties who have signed the original contract must also sign the addendum; If one or more parties are not available, they may appoint agents who are authorized to sign on their behalf.

Consideration would be for a lawyer to re-examine the succession of contracts, particularly for agreements that involve large sums of money or that last more than a few months. All terms of the publication agreement, including, but not limited to, all scholarships, agreements, insurance and guarantees, are subject to a non-exclusive license previously granted by the author at Harvard University. Under this license, Harvard may make the work available and exercise all copyrights relating to the work and allow others to do the same, provided the work is not sold profitably. During the exercise of this license, Harvard may use the final manuscript of the author`s work (including any changes to the peer review procedure), but may not use any facsimile of the final published version of the work unless the publisher authorizes the use of that version. If Harvard makes the work available in an online repository under this license, Harvard will refer to the final version of Publisher`s work and link it to the publisher`s version when it becomes available online. You can also download the example addendum in pdf format: you also need to trade or promise another asset to make sure the addition is against the current and therefore constitutes a valid contract.