We want to do changes in the system by Fixed assets for NIF C-6 of Mexico

In México, the tax authority made a change in the rules to handle the assets financials information, so, at this moment, we need to make retroactive adjustments to the depreciation method, salvage value, etc. This changes has to been since January 2011, but until November we want to do the changes in the system.
In order to made this, we are testing in our sandbox instance the next steps:

1. We make the changes to depreciation method, salvage value and date place in service for the most assets (we have around 45,000 assets). We are using the adjustment API to do this.