ยง 65-d. Posting of signs. 1. The authority shall prepare, have printed
  and  distribute  across  the state to all persons with a license to sell
  alcoholic beverages for consumption on the premises or a license to sell
  alcoholic beverages for consumption off the premises a  sign  or  poster
  with conspicuous lettering that states the following:
"No person shall sell or give away any alcoholic beverages to:
1. any person under the age of twenty-one years; or
2. any visibly intoxicated person.
IT IS A VIOLATION PUNISHABLE UNDER LAW FOR ANY PERSON UNDER THE AGE OF
  TWENTY-ONE  TO  PRESENT  ANY  WRITTEN  EVIDENCE  OF  AGE WHICH IS FALSE,
  FRAUDULENT OR NOT ACTUALLY HIS OWN FOR  THE  PURPOSE  OF  ATTEMPTING  TO
  PURCHASE ANY ALCOHOLIC BEVERAGE".
Such  sign  or poster shall be captioned with the word "warning" in at
  least two inch lettering.
2. All  persons  with  a  license  to  sell  alcoholic  beverages  for
  consumption on the premises or a license to sell alcoholic beverages for
  consumption  off  the premises shall display, in an upright position and
  in a conspicuous place, where it can be easily read by the clientele  of
  the  establishment,  the  sign  or  poster  upon  receiving  it from the
  authority.
3. Any person with such license who violates the  provisions  of  this
  section  shall  be subject to a civil penalty, not to exceed one hundred
  dollars for each day of violation.
Structure New York Laws
ABC - Alcoholic Beverage Control
Article 5 - Special Provisions Relating to Liquor
61-A - Combined Craft Manufacturing License.
62 - Wholesaler's Liquor License.
63 - Seven Day License to Sell Liquor at Retail for Consumption Off the Premises.
64 - License to Sell Liquor at Retail for Consumption on the Premises.
64-A - Special License to Sell Liquor at Retail for Consumption on the Premises.
64-B - License to Sell Liquor on Premises Commonly Known as a Bottle Club.
64-D - License to Sell Liquor on Premises Commonly Known as a Cabaret.
64-E - License to Sell Liquor at Retail as an Off-Premises Catering Establishment.
65-A - Procuring Alcoholic Beverages for Persons Under the Age of Twenty-One Years.
65-E - Posting of Signs Relating to Human Trafficking.
67 - License Fees, Duration of Licenses; Fee for Part of Year.