California Code
ARTICLE 1 - General Limitations on Exercise of Power of Eminent Domain
Section 1240.050.

1240.050. A local public entity may acquire by eminent domain only property within its territorial limits except where the power to acquire by eminent domain property outside its limits is expressly granted by statute or necessarily implied as an incident of one of its other statutory powers.

(Added by Stats. 1975, Ch 1275.)