Effective date of award
(d) Effective date of award. If a relevant claimant is found entitled to DIC based on the establishment or modification of a presumption of service connection, the effective date of the award will be as follows: (1) If VA denied a claim for DIC prior to a law defined under (b)(1) of this section that establishes or modifies a presumption of service connection on or after August 10, 2022 (the date of enactment of Pub. L. 117-168), the effective date of the award will be determined as if the establishment or modification of the presumption of service connection had been in effect on the date of the submission of the original claim. (2) If the requirements of paragraph (d)(1) are not met, the effective date of the award shall be determined in accordance with 3.114 and 3.400.