A Colorado Waiver of Notice of Special Meeting of Directors is a legal document used in corporate governance to waive the requirement of providing notice to directors regarding a special meeting. It allows the directors to unanimously agree to hold a meeting without the need for prior notification. In Colorado, there are two common types of waivers of notice for special meetings of directors: Express Waiver and Constructive Waiver. 1. Express Waiver: This type of waiver occurs when each director signs a written document explicitly stating their agreement to waive the notice requirement. The express waiver is considered the most straightforward and reliable method, ensuring all directors have full knowledge of the special meeting. 2. Constructive Waiver: This type of waiver is derived from the actions or behaviors of a director that imply their awareness and participation in the special meeting. If a director attends the meeting without objection or once the meeting begins, they are deemed to have constructively waived their right to notice. However, it is crucial to ensure that all directors receive actual notice before relying on a constructive waiver. The Colorado Waiver of Notice of Special Meeting of Directors is a significant tool that allows corporate directors to convene promptly to address urgent matters or time-sensitive issues. It streamlines the decision-making process and enables the board of directors to act swiftly and efficiently. Keywords: Colorado, waiver of notice, special meeting of directors, corporate governance, legal document, directors, unanimous agreement, prior notification, express waiver, constructive waiver.