N.Y. Comp. Codes R. & Regs. tit. 19, § 938.4
(2) the client filer shows that its primary activities involve areas of public concern that create a substantial likelihood that disclosure of its source(s) will cause harm, threats, harassment or reprisals to the source(s) or individuals or property affiliated with the source(s). Factors the commission will consider when determining whether this showing has been made include, but are not limited to, the factors identified in subdivision (c) of this section.
(c) Factors.
When evaluating an application for exemption from disclosure of a source or sources of funding under subdivision (a) or (b) of this section, the commission will consider the following factors to determine whether the requisite showing has been made:
(a) Exemption for a particular source(s) of funding.
The commission shall grant an exemption to disclose a source of a contribution, if the client filer shows that disclosure of the source may cause harm, threats, harassment or reprisals to the source or individuals or property affiliated with the source. Factors the commission will consider when determining whether this showing has been made include, but are not limited to, those identified in subdivision (c) of this section.
(b) Exemption from reporting sources for certain organizations.
The commission shall grant an exemption to disclose all sources of contributions to a client filer if: