Section 32054 Of Article 7. Benefits From California Government Code >> Division 4. >> Title 3. >> Part 3. >> Chapter 4. >> Article 7.

. If a member who has served 15 years or more develops heart trouble, it shall be presumed in any proceeding under this chapter, by the board and by the court, in the absence of evidence to the contrary, that such heart trouble is an injury or disease occuring in and arising out of his employment.