California Code, Government Code - GOV § 53398.4

(a) A district may not include any portion of a redevelopment project area that is or has been previously created pursuant to Part 1 (commencing with Section 33000) of Division 24 of the Health and Safety Code, whether the creation is or was proper or improper. A redevelopment project area may not include any portion of a district created pursuant to this chapter.

(b) A district may finance only the facilities or services authorized in this chapter to the extent that the facilities or services are in addition to those provided in the territory of the district before the district was created. The additional facilities or services may not supplant facilities or services already available within that territory when the district was created but may supplement those facilities and services as needed to serve new developments.

(c) A district may include areas that are not contiguous.