• It was published before January 1, 1970; or
• It was created before January 1, 1945; or
• 75 years have passed since the end of the calendar year of its creation, without it ever having been published while still in copyright.

(R.S.C., 2020, c. C-42, s. 6.1, R.S.C., 1993, c. C-42, s. 6.1)

العربيَّة | English | français | മലയാളം | 中文（简体） | +/−

• its author died before 1954;
• the death date of its author is not known, and it was created before 1904;
• it is an anonymous work, a pseudonymous work, or a work made for hire, and it was created before 1904.

The above provisions are contained in 17 U.S.C. § 303. See also this page for more information.