How to do CBAM?

Many data need to be collected to issue the CBAM. The CBAM consulting charge basis on the HS code

Hot Rolled Round Bar 72283090 
Grade：1.2080,1.2379, 1.2842，1.2344，100Cr6,  4140,1.2714, 


Hot Rolled Flat Bar 72254010 
Grade：1.2080,1.2379, 1.2842，1.2344，100Cr6  4140 1.2311,1.2312，C45


Hot Forged Round bar And Flat Bar  72284000 
Grade：1.2080,1.2379, 1.2842，1.2344，100Cr6,4140,C45,1.2344,1.2343,1.2365,1.2367,1.2767,1.3343,
1.2714,1.2746,1.2601,1.2316

Hot Rolled Flat Bar 7226 9100 
Grade：1.2080,1.2379, 1.2842，1.2344，100Cr6  1.2311,1.2312，C45