Updated 11/10/2025
Filing Number
Rate impact
Content
New Business Effective Date
Renewal Effective Date

Rule:

  • Direct Payment Plan for Motor Vehicle Collision and Comprehensive Coverage Claims and Referral Repair Shop Programs

Markup of Changes

11/10/2025
11/10/2025

Rate/Rule

Liberty Mutual Personal

  • Section FR-Forms

Liberty Mutual Fire Ins. Co.

Rule:

  • G7. Coverages and Limits
  • P2. Prior Insurance

Rate:

  • Bodily Injury Limit – Coverage Factor
  • Property Damage Limit – Coverage Factor
  • Uninsured Bodily Injury Limit – Coverage Factor
  • Underinsured Bodily Injury Limit – Coverage Factor
  • Compulsory Bodily Injury Limit – Coverage Factor

LM General Ins. Co.

Rule:

  • G11. Coverages and Limits
  • G12. Mandatory Offer of Coverage

Rate:

  • Limit Factor
  • Motorcycle Rating Coverage Factors

Liberty Mutual Ins. Co.

Rate:

  • Class – Territory Base Rates

Rule:

  • Rule 2. Coverages and Limits
  • Rule 3. Mandatory Offer
  • Increased Limits Tables

Liberty Mutual Ins. Group

  • Increased Limits and Program Factors
  • Uninsured/Underinsured Motorists Rates
  • Miscellaneous Motor Vehicle
  • Motorcycle Rates

Liberty Mutual Personal

Rule:

  • G11. Coverages and Limits
  • G12. Mandatory Offer of Coverage

Rate:

  • Coverage Factors

Liberty Mutual Ins. Group

Rate:

  • Miscellaneous Motor vehicle
  • Miscellaneous Motor Vehicles Base Rates
  • Motorcycle Rates
  • Index of forms (all carriers)

Markup of Changes

07/01/2025
07/01/2025

Rate:

  • Vehicle Factor

Markup of Changes

09/12/2024
09/12/2024
+6.2%

Rate:

  • Coverage Factor

Markup of Changes

06/15/2024
06/15/2024
+8.2%

Rate:

  • Coverage Factors

Markup of Changes

06/15/2023
06/15/2023
+8.2%

Rate:

  • Coverage Factors

Markup of Changes

06/15/2023
06/15/2023

Rule:

  • Variable Payment Plan

Markup of Changes

10/11/2022
10/11/2022
+4.9%

Rate:

  • Coverage Factor

Markup of Changes

08/02/2022
09/06/2022

Rule:

  • Variable Payment Plan

Markup of Changes

03/19/2022
03/19/2022

Form/Rate/Rule
Form:

  • Massachusetts Automobile Policy – AUTO 4317 03 19
  • Liberty Enhanced Coverage Endorsement – AS 3906 03 19
  • Original Equipment Manufacturer Parts Coverage – AS 3834MA 03 19

Rule:

Complete Manual of Rules

SECTION A – Index Page

SECTION G – General Rules

  • G1. Application of Manual
  • G2. Eligibility
  • G3. Policy Term
  • G4. Rates and Rating Information
  • G5. Changes
  • G6. Cancellation
  • G7. Suspension
  • G8. Instructions for Pro Rata
  • G9. Whole Dollar Premium
  • G10. Premium Payment Plan
  • G11. Coverages and Limits
  • G11A. Personal Injury Protection – Deductible Form
  • G12. Mandatory Offer of Coverage
  • G13. Motor Vehicle Registration Certificates
  • G14. Pre-Insurance Inspection Program
  • G15. Deferred Operators
  • G16. Additional Policy Protection
  • G17. Late Payment Fee

SECTION C – Classification

  • C1. Operator Factor
  • C2. Operator Discount Factor
  • C2A – Reserved for Future Use
  • C2B – Student-away-at-School Discount
  • C2C – Good Student Discount
  • C2D – Senior Discount
  • C2E – Defensive Driving Course Discount
  • C2F – Driver Training Discount
  • C2G – Advanced Driver Training Discount
  • C2H – Driving Years Discount
  • C3. Operator Incident Factor
  • C4. Operator Surcharge Factor
  • C5. Household Average Factor

SECTION F – Other Factors F

  • F1. Household Composition Factor
  • F2. Vehicle Factor
  • F2A – VIN Factor
  • F2B – Usage Factor
  • F2C – Vehicle Ownership
  • F2D – Annual Mileage
  • F2E – Coverage Combination
  • F2F – Years Owned When Added
  • F2G – New-to-Liberty Vehicle Factor
  • F2H – Number of Titles
  • F2I – Vehicle Age Current
  • F2J – Vehicle Age When Added
  • F2K – Model Year
  • F2L – Vehicle Age When Added X Vehicle to Driver Ratio
  • F3. Incident Factor
  • F3A – Chargeable Accidents
  • F3B – Violation Definitions
  • F3C – Accident Forgiveness
  • F4. Tier Factor
  • F5. Territory Factor
  • F6. Vehicle Discount Factor
  • F6A – Vehicle Safety Discount
  • F6B –Alternative Energy Discount
  • F6C – RightTrack Discount
  • F7. Policy Discount Factor
  • F7A – Paid-in-Full Discount
  • F7B – Preferred Payment Discount
  • F7C – Reserved For Future Use
  • F7D– Early Quote Discount
  • F7E – Group Savings Plus Discount
  • F7F – Newly Licensed Operator Discount
  • F7G – Newly Independent Discount
  • F7H – New Move Discount
  • F7I – Multi-Policy Discount
  • F7J – Paperless Discount
  • F7K –Military Discount
  • F7L – Accident Free Discount
  • F7M – Violation Free Discount
  • F7N – Property Insurance Discount
  • F7O – Online Purchase Discount
  • F8. Limits & Deductible Factors
  • F9. Basic Package Capping Factor
  • F10. Late Pay Factor
  • F11. Prior Insurance Factor
  • F12. Min Base Price
  • F13. Max Base Price

SECTION TC – Trailer and Camper Coverage and Rating

  • TC1. Liability Insurance
  • TC2. Physical Damage Coverage
  • TC3. Camper Bodies
  • TC4. Trailers

SECTION OC – Additional (Optional) Coverage Rules

  • OC1. Custom Coverage Level
  • OC2. Excess Electronic and Customized Equipment Coverage
  • OC3. Original Parts Replacement Coverage
  • OC4. Auto Loan/Lease Coverage (Gap Coverage)
  • OC5. Reserved for future use
  • OC6. Antique Private Passenger Automobiles
  • OC7. Reserved for future use
  • OC8. Reserved for future use
  • OC9. Better Car Replacement
  • OC10. Employee Parking Guard
  • OC11. Liberty Mutual Deductible Fund

SECTION OP – Other Policy Types

  • OP1. Reserved for future use
  • OP2. Extended Non-Owned Coverage

SECTION FR – Forms

  • SECTION PDP – Premium Determination Procedure

Rates:

  • Rating Manual
03/23/2020