This section is from the book "The Law Of Contracts", by William Herbert Page. Also available from Amazon: Commercial Contracts: A Practical Guide to Deals, Contracts, Agreements and Promises.
Sec. 3072. Nature of alteration.
Sec. 3073. Alteration distinguished from modification before execution - As to parties assenting thereto Sec. 3074. As to parties who do not assent thereto Sec. 3075. Alteration distinguished from modification after execution by mutual consent - As to parties assenting thereto. f 3076. As to non-assenting parties. Sec. 3077. Alteration distinguished from spoliation
II. PARTIES TO ALTERATION
Sec. 3078. Party by whom alteration may be committed - Agent.
Sec. 3079. Depository.
III METHOD OK MAKlNG ALTERATION
Sec. 3081. Method of making alteration - Cancellation and erasure.
Sec. 3082 Filling blank, as alteration.
Sec. 3083 Filling blanks-Effect of Negotiable Instruments Law.
Sec. 3084. What constitutes a blank-Negligence of promisor.
Sec. 3085 Change in memoranda on instrument.
Sec. 3086. Addition of memoranda.
Sec. 3087. Detachment of memoranda and mutilation of instrument.
Sec. 3088. Retracing words of original instrument.
IV. INTENT TO MAKE ALTERATION
Sec. 3090. Defective attempt to correct mistake.
Sec. 3091. Theory that correction of mistake is alteration.
Sec. 3092. Unintentional change not alteration.
Sec. 3096. Addition of surety as affecting primary debtor. Sec. 3097. Addition or mutilation of seal. Sec. 3098. Change in attesting witnesses. Sec. 3099. Change in date. Sec. 3100. Change in subject-matter. 5429
Sec. 3101. Change in rate of interest.
Sec. 3102. Change in negotiability.
Sec. 3103 Change in place of performance
Sec. 3104. Other changes in written contracts.
Sec. 3106. Alteration of marginal figures.
VI PRESUMPTIONS, INFERENCES, ETC.
Sec. 3108. Presumption as to date of alteration.
VII EFFECT OF ALTERATION AND SPOLIATION
Sec. 3113. Right of recovery upon original consideration - Innocent material alteration.
Sec. 3114. Fraudulent material alteration.
Sec. 3115. Effect of alteration of collateral instrument.
Sec. 3117. Ratification of alteration.
Sec. 3120 Effect of spoliation - Theory that spoliation is without legal effect
Sec. 3121. Modification of contract discharging surety - General principles. Sec. 3122. Effect of discharge of surety on liability of remaining sureties. Sec. 3123. Extension of time as discharge of surety under Negotiable Instruments Law.