Budget checking document type wise

Dear sapient

I have mapped fund management as per the business scenario but i need some solution for the following point.

Can budget checking mapped as per the PR docuemnt type . i checked in derivatio rule but docment type is available as per the fi document type.

Client requirement is as below -:

if material value is below rupees 100000 client is preparing separate document type if it is more than rupees 100000 then preparing different document type

regards

soraj