FAA Order 8130.2M — Operating Limitation 33
Appendix D · Table D-1 · p. p181
Compliance with all the manufacturers operating limitations (e.g., POH, light-sport AOI, aircraft flight manual, military manual), placards, and markings is required unless exceedance of a limitation is required for flight testing that was described in the program letter used as the basis for this airworthiness certificate. Intentional exceedance of a limitation that was not described in the program letter is prohibited. Intentional exceedance of a manufacturer limitation described in the program letter requires compliance with the operating limitation related to major changes appended to this airworthiness certificate, except that notification to the responsible flight standards office is not required.
Verify it yourself: the eyeball above opens the exact page of Order 8130.2M with this limitation highlighted.