NY A10671

Requires respondents in property tax assessment court challenges in cities with 1 million+ residents (New York City) to disclose the assessing method, capitalization rate, and other data or formulas used to determine property valuation

Disclosure must be included in the answer or notice served on the petitioner within 40 days after service of a note of issue

For proceedings already pending when the law takes effect, required disclosures must be made within 30 days of the effective date

Petitioners in pending cases receive a 30-day continuance after receiving disclosures to review and modify their evidence or make additional motions

Takes effect 30 days after becoming law and applies to both new and pending proceedings