Free Consultation - Call (408) 436-0789 - SAC Attorneys LLP is dedicated to providing our clients with legal services in Business and Corporate cases. You have 30 days to respond to a debt lawsuit in California.Yes, you do need to file an Answer to the Complaint. Yes, send a certified letter (snail mail) requesting validation of debt. To do so, send a letter to the debt collector asking for an explanation in writing. We've rounded up 50 debt recovery tips from industry experts to help improve your debt recovery strategy. What is a Debt Recovery Letter? It refers to a letter organisations send clients who miss completing timely payments. The law firm also handles cases in all other counties in the San Francisco Bay Area and throughout Northern California. Fill out the form and we'll get back to you.