The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT HZP.party_id customer_id
,HZP.party_name customer_name
,CHRB.contract_number || DECODE(CHRB.contract_number_modifier, NULL,NULL,'-'|| CHRB.contract_number_modifier) contract_number
,CHRB.END_DATE expiration_date
FROM okc_k_headers_all_b CHRB
,oks_k_headers_b KHRB
,okc_subclasses_v SCSV
,okc_k_party_roles_b CPL
,hz_parties HZP
WHERE CHRB.id = c_contract_header_id --
AND CHRB.id = CPL.dnz_chr_id
AND SCSV.code = CHRB.scs_code
AND SCSV.cls_code = 'SERVICE'
AND CHRB.id = KHRB.chr_id
AND CPL.cle_id IS NULL
AND CPL.rle_code in('CUSTOMER','SUBSCRIBER')
AND CPL.jtot_object1_code = 'OKX_PARTY'
AND CPL.object1_id1 = HZP.party_id
and rownum < 2;