The provisions of this chapter shall supersede any local law, ordinance, resolution or regulation of municipalities to which this chapter is applicable, but shall not affect or impair any act done, offense committed or right accruing, accrued or acquired, or liability, penalty, forfeiture or punishment incurred or imposed prior to the time this chapter takes effect, but the same may be enjoyed, asserted, enforced, prosecuted or inflicted as fully and to the same extent and same manner as if such provisions had not been enacted.
N.Y. Mult. Resid. Law § 327