ISO Guidelines in Physico Chem analysis of food products

My company is renewing its ISO certification ISO2200:2018. I am reviewing our work instruction regarding physico chem analysis of our products. Im concerned because our procedures follows both AOAC and ASTA methods and some of our methods are lab developed. What are the things that i should keep in mind regarding this? Thanks!

Sure. You should validate and verify your test methods and conduct ILC and QC CHECKS.