Solution : https://service.sap.com/sap/support/notes/1269674 (SAP Service marketplace login required)
Key words : 
badi definition smod_apocf005enhancement apocf035, cif user exits, exit_/sapapo/saplcif_loc_001, source code coming, exit_/sapapo/saplcif_prod_001, exit_/sapapo/saplcif_chr30_004, exit_/sapapo/saplcif_chr30_005, exit_/sapapo/saplcif_bp_001, exit_/sapapo/saplcif_chr30_001, exit_/sapapo/saplcif_chr30_002
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