BDBD is 1 Chronicles 23-27

These chapters are all about organization of the labor for the Levites, priests, musicians, gatekeepers and the army.
   Concerning the Levites there was a problem to solve. Moses had said the Lord told him that they were carry the ark, set up the tabernacle,  and take it down when they moved. However,  since the moving had stopped, what were they to do? (23:25-26) David gave them new duties to perform in the temple. This nullified many laws and regulations.
   Jesus also nullified many more when he came including the entire sacrificial system.  The law is good, but also temporary.  God’s plan is coming to a specific result that will eventually make all laws void.