Part I Statutes; Part II Contribution Credits and Home Responsibilities Protection; Part III Regulations Common to Several Benefits; Part IV Disability Benefits; Part V Maternity Benefits; Part VI Widow s Benefit, Retirement Pensions and Graduated Retirement Benefit; Part VII Unemployment, Sickness and Invalidity Benefit; Part VIII Incapacity Benefit and Incapacity for Work; Part IX Children and Guardians; Part X Industrial Injuries and Prescribed Diseases; Part XI Vaccine Damage Payments.