instances for new ModificationClause library

[lzehl]

Potential terms:

• Bilateral Amendment: A formal change to the agreement that requires the explicit written consent of all parties.
• Unilateral Amendment: A formally permitted change to certain terms that one party may implement without the other party’s approval.
• Written Modification Requirement: A rule stating that any modification to the agreement is only valid if documented in writing.
• Signed Modification Requirement: A rule requiring that all modifications be signed by all parties to become legally effective.
• Notice Requirement: A clause obligating a party to provide advance notice before a modification or amendment becomes effective.
• Non-Negotiable Terms: Contract sections that cannot be altered or negotiated by either party under any circumstances.
• Modifiable Terms: Contract sections that the parties are allowed to change in accordance with the modification rules.
• Automatic Adjustment Mechanism: A provision that causes certain terms to change automatically when predefined conditions or triggers occur.
• Waiver: A voluntary relinquishment of a contractual right by a party, effectively modifying how the affected term applies.