API --  pay_state_tax_rule_api.update_state_tax_rule

Example --

DECLARE
     lc_dt_ud_mode                       VARCHAR2(100)   := NULL;
     ln_assignment_id                  NUMBER                  := 33561;
     ln_object_version_number  NUMBER                  := 1;
     ld_effective_start_date          DATE;
     ld_effective_end_date            DATE;
     lb_correction                            BOOLEAN;
     lb_update                                  BOOLEAN;
     lb_update_override                BOOLEAN;
     lb_update_change_insert    BOOLEAN;

BEGIN
    -- Find Date Track Mode
    -- --------------------------------
     dt_api.find_dt_upd_modes
     (   p_effective_date                 => TO_DATE('12-JUN-2011'),
         p_base_table_name          => 'PER_ALL_ASSIGNMENTS_F',
         p_base_key_column         => 'ASSIGNMENT_ID',
         p_base_key_value             => ln_assignment_id,
         -- Output data elements
         -- --------------------------------
        p_correction                          => lb_correction,
        p_update                                => lb_update,
        p_update_override              => lb_update_override,
        p_update_change_insert   => lb_update_change_insert
    ); 
  

   IF ( lb_update_override = TRUE OR lb_update_change_insert = TRUE )
   THEN
      -- UPDATE_OVERRIDE
      -- --------------------------------
      lc_dt_ud_mode := 'UPDATE_OVERRIDE';
   END IF;

   IF ( lb_correction = TRUE )
   THEN
      -- CORRECTION
      -- ----------------------
     lc_dt_ud_mode := 'CORRECTION';
   END IF;

   IF ( lb_update = TRUE )
   THEN
       -- UPDATE
       -- --------------
       lc_dt_ud_mode := 'UPDATE';
   END IF;

   -- Update State Tax Rule
   -- ---------------------------------
    pay_state_tax_rule_api.update_state_tax_rule
    (     -- Input data elements
          -- ------------------------------
          p_effective_date                        => TO_DATE('20-JUN-2011'),
          p_datetrack_update_mode   => lc_dt_ud_mode,
          p_emp_state_tax_rule_id      => 8455,
          p_withholding_allowances  => 100,
          p_sit_additional_tax               => 10,
          p_sit_exempt                              => 'N',
          -- Output data elements
          -- --------------------------------
          p_object_version_number      => ln_object_version_number,
          p_effective_start_date              => ld_effective_start_date,
          p_effective_end_date               => ld_effective_end_date
     );

 COMMIT;

EXCEPTION
       WHEN OTHERS THEN
                       ROLLBACK;
                       dbms_output.put_line(SQLERRM);
END;
/

SHOW ERR;