Solution : https://service.sap.com/sap/support/notes/1411466 (SAP Service marketplace login required)
Key words :
exit /sapsrm/f4_exit_badi_elementar badi /sapsrm/bd_f4_exit_presel, additional correction assigning search, badi /sapsrm/bd_f4_exit_presel, exit /sapsrm/f4_exit_badi_elementar, exits /sapsrm/f4_exit_badi_collectiv, processing step 'presel', prefill selection criteria, /sapsrm/f4_exit_badi_elementar, search helps, makes sense
Related Notes :
1548493 | Accounting search:some selection fields are not prefilled |
1411591 | Prefilling of selection fields for accounting search helps |