Where a difference arises between the parties to or the persons bound by this agreement or on whose behalf it was entered into concerning its content, meaning, application, or violation, either party shall, within 35 teaching days of the event giving rise to the violation or difference, or within 35 teaching days from the date on which the griever became aware of the event giving rise to the violation or difference, notify the other party in writing, stating the violation or difference and the solutions sought.