CA Gov't Code Section 66498.6

(a)

This chapter does not enlarge, diminish, or alter the types of conditions which may be imposed by a local agency on a development, nor in any way diminish or alter the power of local agencies to protect against a condition dangerous to the public health or safety.

(b)

The rights conferred by this chapter shall relate only to the imposition by local agencies of conditions or requirements created and imposed by local ordinances. Nothing in this chapter removes, diminishes, or affects the obligation of any subdivider to comply with the conditions and requirements of any state or federal laws, regulations, or policies and does not grant local agencies the option to disregard any state or federal laws, regulations, or policies.