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Multi-Line Telephone System (MLTS)


Effective September 1, 2015 Kari’s Law went into effect throughout the State of Texas.


Kari's Law requires direct access to 911 service from a telephone system that provides outbound dialing without having to first dial a prefix or other access number or code.

The law also requires all capable MLTS to be programmed to send notification of a 911 call to a central location on the premises of the site a 911 call is placed.

Under Kari's Law, if an MLTS system cannot meet these requirements without substantial cost, a 1-year waiver of these requirements may be granted.

If a waiver is granted, an instructional sticker must be placed adjacent to all noncompliant, outbound capable telephones that the phone is unable to directly access 911 without first requiring a prefix.

The deadline for compliance with this legislation is September 1, 2016.

A request for waiver from compliance within Ector County, and the cities of Goldsmith and Odessa, Texas may be submitted to our agency no later than September 1 of each year waiver is requested.

Text of Health & Safety Code 771A

MLTS Brochure

Waiver Request Form


On May 15, 2015, Governor Abbott signed Senate Bill 788 into law, known as Kari’s Law.

Kari’s family was present as the legislation was signed, along with State Senators Eltife and Paddie.