How do I apply for the France ICT permit?

Step-by-step process: 1. Employer submits posting declaration via SIPSI; 2. Employee applies for long-stay visa at French consulate in home country (online via France-Visas); 3. Upon approval, enter France and validate visa/residence permit at prefecture within 3 months; 4. For missions >90 days, obtain multi-year card. Processing time: 30-90 days. Fees: Visa €99, residence permit €225+.