This chapter is, I. Concerning the great ordinance of the passover; 1. Orders given for the observance of it, at the return of the year (Num 9:1-5). 2. Provisos added in regard to such as should be ceremonially unclean, or otherwise disabled, at the time when the passover was to be kept (Num 9:6-14). II. Concerning the great favour of the pillar of cloud, which was a guide to Israel through the wilderness (Num 9:15, etc.).