The website is going to show on holidays and not only through the unit of discounts on services. It will be a small text up to 100 characters in the tag NOINDEX>DIV (or better without noindex?) just below the site header before the main content. How can the impact on the ranking of the pages such a unit?
Logic dictates that nothing bad should happen — it's a benefit for the customer, but human logic different algorithms of search engines, who knows what they have in there is calculated. Share your knowledge and observations on this situation.