California Codes, Civil Code - CIV, Division 4 — General Provisions, Part 1 — Relief, Title 2 — Compensatory Relief, Chapter 1 — Damages in General, Article 2 — Interest as Damages, Section 3290
Accepting payment of the whole principal, as such, waives all claim to interest.
Notes
Sets acceptance of payment of the entire principal, when accepted as principal, to waive every claim to interest. Once the whole principal is accepted in that capacity, the creditor gives up the claim for interest, making full acceptance of principal the act that produces the statutory waiver of interest.
Use as reference
Lexinter.net | California Code, Civil Code - CIV § 3290 | https://laws.lexinter.net/codes/california/civil-code/division-4/part-1/title-2/chapter-1/article-2/section-3290