Exhibit 31.5
Certification
I, Christopher Halpin, certify that:
| 1. | I have reviewed this annual report on Form 10-K/A for the year ended December 31, 2024 of IAC Inc.; and  | 
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. | 
| April 29, 2025 | /s/ Christopher Halpin | 
| Christopher Halpin | |
| Executive Vice President, Chief Operating Officer and Chief Financial Officer |