(b) Notwithstanding Section 66428, fulfillment of the construction requirements shall not be required until the time a permit or other grant of approval for development of the parcel is issued by the local agency or, where provided by local ordinances, until the time the construction of the improvements is required pursuant to an agreement between the subdivider and the local agency, except that in the absence of an agreement, a local agency may require fulfillment of the construction requirements within a reasonable time following approval of the parcel map and prior to the issuance of a permit or other grant of approval for the development of a parcel upon a finding by the local agency that fulfillment of the construction requirements is necessary for either of the following reasons:

1. (1) The public health and safety.
2. (2) The required construction is a necessary prerequisite to the orderly development of the surrounding area.