(c) Notwithstanding paragraph (b) of this subdivision, adjustments to the claimant's benefit rate and adjustment to the experience rating charges to the employers' accounts will be retroactive to the beginning of the benefit claim in the following circumstances:
- (i) the new or corrected information results in a higher benefit rate, or
- (ii) the new or corrected information results in the claimant's failure to establish a valid original claim, or
- (ii) the amount of the previously established benefit rate was based upon the claimant's willful false statement or representation.