Exhibit 31.2
CERTIFICATION
I, Beth Jantzen, certify that:
| 1. | have reviewed this Amendment No. 1 to Annual Report on Form 10-K of Applied DNA Sciences, Inc; |
| 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; |
| Date: | December 16, 2019 |
| /s/ Beth Jantzen | |
| Beth Jantzen, CPA | |
| Chief Financial Officer | |
| (Principal Financial Officer) |
