I live in TX . USA and need to find goverment apporve Vet

Government approved --

• veterinarian?
  
• veterans' hospital?
  
• veterans' program?

Do you mean you want a Veteran's Administration Hospital? Here's the list in Texas.
VA Medical Center Skip VA Medical Center
Bonham: Sam Rayburn Memorial Veterans Center
Dallas: Dallas VA Medical Center
Harlingen: VA Health Care Center at Harlingen
Houston: Michael E. DeBakey VA Medical Center
Kerrville: Kerrville VA Hospital
Waco: Doris Miller Department of Veterans Affairs Medical Center

For clinics that will treat you, here's the list in Texas:
Outpatient Clinic
Austin: Austin Outpatient Clinic
Corpus Christi: Corpus Christi OPC
Corpus Christi: Corpus Christi PACT Annex
Corpus Christi: Corpus Christi VA Speciality Outpatient Clinic
Dallas: Polk Street VA Clinic
Fort Worth: Fort Worth Outpatient Clinic
Harlingen: Harlingen VA Outpatient Clinic
Katy: Katy VA Outpatient Clinic
Laredo: Laredo Outpatient Clinic
Lubbock: Lubbock Clinic
McAllen: McAllen Outpatient Clinic
San Antonio: Balcones Heights Outpatient Clinic
San Antonio: Frank M. Tejeda VA Outpatient Clinic
San Antonio: North Central Federal OPC
San Antonio: San Antonio Dental Clinic
San Antonio: Shavano Park Outpatient Clinic
Temple: Temple VA Clinic Annex
Tyler: Tyler VA Primary Care Clinic
Tyler: Tyler VA Specialty Care Clinic
Victoria: Victoria OPC

Community Based Outpatient Clinic Skip Community Based Outpatient Clinic
Abilene: Abilene CBOC
Beaumont: Beaumont VA Outpatient Clinic
Beeville: Beeville CBOC
Bridgeport: Bridgeport CBOC
Brownwood: Brownwood CBOC
Cedar Park: Cedar Park CBOC
Childress: Childress Clinic
College Station: Bryan/College Station CBOC
Conroe: Conroe VA Outpatient Clinic
Dalhart: Dalhart VA Community Based Outpatient Clinic
Denton: Denton CBOC
El Paso: Eastside El Paso CBOC
Fort Stockton: Fort Stockton Clinic
Galveston: Galveston VA Outpatient Clinic
Granbury: Granbury CBOC
Greenville: Greenville CBOC
LaGrange: LaGrange Rural OutReach Clinic
Lake Jackson: Lake Jackson VA Outpatient Clinic
Longview: Longview CBOC
Lufkin: Charles Wilson VA Outpatient Clinic
New Braunfels: New Braunfels CBOC
Odessa: Permian Basin Community Based Outpatient Clinic
Palestine: Palestine CBOC
Plano: Plano CBOC
Richmond: Richmond VA Outpatient Clinic
San Angelo: San Angelo Clinic
San Antonio: NorthEast 410 /San Antonio Clinic
San Antonio: Northwest 410/San Antonio Clinic
San Antonio: Pecan Valley CBOC
San Antonio: South Bexar/San Antonio Clinic
San Antonio: SW Military CBOC
Seguin: Seguin CBOC
Sherman: Sherman CBOC
Stamford: Stamford Clinic
Texas City: Texas City VA Outpatient Clinic
Tomball: Tomball VA Outpatient Clinic
Wichita Falls: Wichita Falls VA Clinic
Vet Center Skip Vet Center
Abilene: Taylor County Vet Center
Amarillo: Amarillo Vet Center
Austin: Austin Vet Center
Beaumont: Jefferson County Vet Center
Corpus Christi: Corpus Christi Vet Center
Dallas: 3B RCS South Central Regional Office
Dallas: Dallas Vet Center
El Paso: El Paso Vet Center
Ft. Worth: Fort Worth Vet Center
Harker Heights: Killeen Heights Vet Center
Houston: Harris County Vet Center
Houston: Houston Vet Center
Houston: Houston West Vet Center
Laredo: Laredo Vet Center
Lubbock: Lubbock Vet Center
McAllen: McAllen Vet Center
Mesquite: Dallas County Vet Center
Midland: Midland Vet Center
Pantego: Tarrant County Vet Center
San Antonio: San Antonio NE Vet Center
San Antonio: San Antonio NW Vet Center

Arlington: VISN 17: VA Heart of Texas Health Care Network

Good luck. If this is not what you mean, please ask again.

https://www.veterinary.texas.gov/verify.php

sorry I means . we're moving back to AUS soon and bring our dog back with us. I need to find goverment approve Vet to certifile for my dog. Thanks. I been looking at theire web site and no detail of what ever. I feeling lost.

Call any vet on the phone and ask them if they can certifile your dog to be transported to Australia.

The Australian government provides some guidance.
http://www.agriculture.gov.au/cats-dogs

Talk to your dog's vet and point him or her in the direction of that URL and work together to get your dog admitted.