I'm Sergei Tokmakov, California attorney (Bar #279869). SF rent ordinance OMI provisions are detailed and tenant-protective. The notice must comply strictly with form, content, and timing requirements. Even minor procedural defects (missing relocation payment calculation, wrong served party, missing rent board declaration) can void the notice.
Practical sequence: (1) file with SF Rent Board for review, (2) consult a tenant-side attorney (CA tenant defense is usually contingency or low-cost via TRC referrals), (3) compute relocation damages, (4) if landlord files unlawful detainer, defend on procedural and pretext grounds.
If the OMI is pretextual and landlord doesn't actually move family member in for the required period, statutory damages can exceed $50,000. Don't move out until the legal process plays out — premature departure waives some claims. Informational only.