Cal. Penal Code § 26835
(a) A licensee shall conspicuously post within the licensed premises the following warnings in block letters not less than one inch in height:
(b)
(1) In addition to the notice required by subdivision (a), a licensee shall post conspicuously within the licensed premises, on a contrasting background and written in block letters not less than one inch in height, an additional notice containing the following statement:
“WARNING:
IF YOU OR A LOVED ONE IS EXPERIENCING DISTRESS OR DEPRESSION OR IS CONTEMPLATING SUICIDE, PLEASE CALL 988 (THE 988 SUICIDE AND CRISIS LIFELINE).
ACCESS TO A FIREARM IN THE HOME SIGNIFICANTLY INCREASES THE RISK OF SUICIDE, DEATH, AND INJURY DURING DOMESTIC VIOLENCE DISPUTES, AND THE UNINTENTIONAL DEATH AND TRAUMATIC INJURY TO CHILDREN, HOUSEHOLD MEMBERS, AND GUESTS.”