Here is a list of important 27 transaction codes used with SAP FI-AF component (SAP Additional Functions in FI) coming under SAP FI Module. You will get more technical details of each of these SAP FI-AF tcodes by clicking on the respective tcode name link.
DP Chains: Change Chain Types
Down Payment Chain Number Ranges
DP Chains: Change Retention Amounts
DP Chains: Change Verifications
DP Chains: Change Assmnt/Addtl Costs
DP Chains: Change Contractual Penlty
DP Chain: Special G/L Transactions
DP Chains: BAdI Implementations
DP Chains: BAdI Implementations II
DP Chains: Change Payment Block
IMG Activity: /SAPPCE/DPC_BADI3
IMG activity: /SAPPCE/DPC_MESSAGE
Debit-Side Down Payment Chains
Credit-Side Down Payment Chains
Number Range Maintenance: /SAPPCE/DP
Cancel DPC-Relevant Billing Document
Credit-Side Down Payment Chains-List
Debit-Side Down Payment Chains-List
Release of Billing Documents to DPC
Cred. DP Chains – Tax Rate Change
Deb. DP Chains – Tax Rate Change
Cred. DP Chains – Delete Payt Block
Deb. DP Chains – Delete Payt Block
DP Chain Tax Comparison Program
DP Chain Transfer of Deferred Tax
DP Chain Analysis of Deferred Tax
Click here to know details about SAP standard tables used with Additional Functions in FI.