Any school district that establishes and maintains an insurance reserve fund to make expenditures from such reserve fund for any loss, claim, action, or judgment for which the school district is authorized or required to purchase or maintain insurance for the kinds of risks for which insurance is authorized pursuant to paragraph three of subsection (a) of section eleven hundred thirteen of the insurance law, pursuant to section six-n of the general municipal law or any other chapter of law, shall make all reserve fund transactions transparent to the public by adopting a written insurance reserve fund policy, to be posted on the school district's website.