When the facts are such that the language used might have been meant to apply to any one, and could not have been meant to apply to more than one, of several persons or things, evidence may be given of facts which show which of those persons or things it was intended to apply to.
Illustrations
(a) A agrees to sell to B, for one thousand rupees, "my white horse". A has two white horses. Evidence may be given of facts which show which of them was meant.
(b) A agrees to accompany B to Ramgarh. Evidence may be given of facts showing whether Ramgarh in Rajasthan or Ramgarh in Uttarakhand was meant.
Legal Commentary & Landmark Judgments: Section 99
Section 99 establishes that when the facts are such that the language used might have been meant to apply to any one, and could not have been meant to apply to more than one, of several persons or things, evidence may be given of facts which show which of those persons or things it was intended to apply to.
In wills and trust deeds where two sons or cousins share similar names or initials, tender family pedigree charts, personal correspondence, and prior gift deeds under Section 99 to prove which individual was intended.