Parents must be notified of an IEP team meeting early enough to ensure an opportunity for them to attend. California Education Code sections 56302.1(e); 56341.5(b).
The IEP team must provide notice of procedural safeguards at each IEP meeting. They only need to give a copy of the notice to parents once per school year. California Education Code 56500.1.
The IEP should be implemented as soon as possible after the meeting. California Education Code 56043(i).