Oracle E-Business Suite 12.1.3 Payroll Technical Support with Good Knowledge On Fastformulas

We are implementing a Module to one of our Subsidiary in Egypt, We have done all the Setup, Element Creation, Balance Feed Entries, Element Links, Payroll Description, Payment Methods and all other setup required for Payroll, Now we need do some payroll customization in Fast Formula as per Egypt Labour Law, Including Tax Calculation and Etc.