R12 Table Changes

Suppliers:

New R12 tables  -> Old 11i Tables
AP_SUPPLIERS - replaces PO_VENDORS
AP_SUPPLIER_SITES_ALL- replaces PO_VENDOR_SITES_ALL

Additional supplier related tables in IBY (Payments) and HZ (TCA):
IBY_EXTERNAL_PAYEES_ALL - stores Payee(supplier) information.
HZ_PARTIES - Party data for the suppliers.
HZ_PARTY_SITES - Party site data for the supplier sites.

Invoices:

Additional table in R12: AP_INVOICE_LINES_ALL
Allocations - AP_CHRG_ALLOCATIONS_ALL is obsolete in R12

Taxes:

Functionality provided by E-Business Tax
New tables in R12
ZX_LINES - Detailed Tax lines for the invoice (trx_id = invoice_id)
ZX_LINES_SUMMARY - Summary tax lines for the invoice (trx_id = invoice_id)
ZX_REC_NREC_DIST  - Tax distributions for the invoice (trx_id = invoice_id)
ZX_LINES_DET_FACTORS - Tax determination factors for the invoice (trx_id = invoice_id)

Payments:

Functionality moved to central Payments (IBY)
New IBY tables in R12:
IBY_PAY_SERVICE_REQUESTS  - Payment Process Request information

Accounting:

Functionality moved to SubLedger Accounting (SLA)
New R12 tables:
XLA_EVENTS -> replaces AP_ACOCUNTING_EVENTS_ALL 
XLA_AE_HEADERS -> replaces AP_AE_HEADERS_ALL
XLA_AE_LINES-> replaces AP_AE_LINES_ALL
XLA_DISTRIBUTION_LINKS

Trial Balance:

New R12 Table
XLA_TRIAL_BALANCES
AP_LIABILITY_BALANCE-> not used in new R12 transactions
AP_TRIAL_BALANCE -> not used in new R12 transactions

Bank Accounts:

Functionality moved to Cash Management.
CE_BANK_ACCOUNTS -> replaces AP_BANK_ACCOUNTS_ALL
CE_BANK_ACCT_USES_ALL  -> replaces AP_BANK_ACCOUNT_USES_ALL
CE_PAYMENT_DOCUMENTS -> AP_CHECK_STOCKS_ALL