§ 22. Revenues and benefits from sources other than this chapter. 1. Benefits, savings or insurance of the injured or deceased volunteer firefighter, or insurance carried for his benefit under subsection (a) of section four thousand two hundred thirty-seven of the insurance law, shall not be considered in determining the benefits to be paid and provided under this chapter, nor shall such benefits be diminished or reduced by reason of the payment to an injured volunteer firefighter of salary, wages or other remuneration by any political subdivision liable for the payment of such benefits.

2. Benefits received from any political subdivision pursuant to service award payments authorized by article eleven-A of the general municipal law shall not be considered in determining the benefits to be paid and provided under this chapter.