Don’t forget the “No Guns, No Money” card you can hand out to those who wish their customers to be unarmed victims. I’ve copies (found on another site, info in the readme.xtx in the .zip file) in .doc format at the OP, ready to be edited for use in your state. Follow the Linky Thingy and click on the “Accept” button.

The sign should be large (at least 11″x17″), posted within a couple of feet of the door, at eye level, large type, contrasting colors, googles … from http://www.revisor.leg.state.mn.us/bin/getpub.php?pubtype=STAT_CHAP_SEC&year=current&section=624.714

Subd. 17. Posting; trespass. (a) A person carrying a
firearm on or about his or her person or clothes under a permit
or otherwise who remains at a private establishment knowing that
the operator of the establishment or its agent has made a
reasonable request that firearms not be brought into the
establishment may be ordered to leave the premises. A person
who fails to leave when so requested is guilty of a petty
misdemeanor. The fine for a first offense must not exceed $25.
Notwithstanding section 609.531, a firearm carried in violation
of this subdivision is not subject to forfeiture.

(b) As used in this subdivision, the terms in this
paragraph have the meanings given.

(1) “Reasonable request” means a request made under the
following circumstances:

(i) the requester has prominently posted a conspicuous sign
at every entrance to the establishment containing the following
language: “(INDICATE IDENTITY OF OPERATOR) BANS GUNS IN THESE
PREMISES.”; or

(ii) the requester or the requester’s agent personally
informs the person that guns are prohibited in the premises and
demands compliance.

(2) “Prominently” means readily visible and within four
feet laterally of the entrance with the bottom of the sign at a
height of four to six feet above the floor.

(3) “Conspicuous” means lettering in black arial typeface
at least 1-1/2 inches in height against a bright contrasting
background that is at least 187 square inches in area.

(4) “Private establishment” means a building, structure, or
portion thereof that is owned, leased, controlled, or operated
by a nongovernmental entity for a nongovernmental purpose.

(c) The owner or operator of a private establishment may
not prohibit the lawful carry or possession of firearms in a
parking facility or parking area.

(d) This subdivision does not apply to private residences.
The lawful possessor of a private residence may prohibit
firearms, and provide notice thereof, in any lawful manner.

(e) A landlord may not restrict the lawful carry or
possession of firearms by tenants or their guests.

(f) Notwithstanding any inconsistent provisions in section
609.605, this subdivision sets forth the exclusive criteria to
notify a permit holder when otherwise lawful firearm possession
is not allowed in a private establishment and sets forth the
exclusive penalty for such activity.

How about, “NO Defense zone.”