All marketing materials delivered to NY Purchasers must contain the following disclaimer in a conspicuous type:
THE COMPLETE OFFERING TERMS ARE IN AN OFFERING PLAN AVAILABLE FROM SPONSOR. FILE NO. H-13-0006.
This includes all ads, handouts, brochure packages, e-mails, e-mail blasts, etc. I have attached the section from the NY Regulations which relates to advertising. Please review and let me know if you have any questions.