Change in mailing address for Medi-Cal TAR submissions July 15, 2014 General Treatment Authorization Request, Insurance/Reimbursement, Medi-Cal, TAR 0 Effective for dates of service on or after July 1, 2014, all paper treatment authorization requests (TAR) currently being mailed to the Los Angeles Field Office and the Northern and Southern Pharmacy Sections should be mailed to the following address: West Sacramento TAR Processing Center 820 Stillwater Road West Sacramento, CA 95605-1630 Updated provider manual sections will be published in a future Medi-Cal Update. Comments are closed.