California Codes, Civil Code - CIV, Preliminary Provisions, Section 18
Notice is:
1. Actual—which consists in express information of a fact; or,
2. Constructive—which is imputed by law.
Notes
Defines, for purposes of this code, the two kinds of notice: actual notice, which consists of express information of a fact, and constructive notice, which is not given expressly but is instead imputed to a person by operation of law.
Use as reference
Lexinter.net | California Code, Civil Code - CIV § 18 | https://laws.lexinter.net/codes/california/civil-code/preliminary-provisions/section-18