דברי הימים ב כד:ו פירוש: רש״י

the tax of Moses the servant of the Lord i.e., the shekels which he mandated upon them in the desert.

the tax of - Heb. מַשְׂאַת, reminiscent of (Exod. 30:12): “When you take (כִּי תִשָּׂא) [the sum].”