The following lines contain the word 'select', 'insert', 'update' or 'delete':
select batch_id into l_batch_id
from FUN_NET_AP_INVS_ALL
where invoice_id=p_invoice_id;
select batch_status_code into l_batch_status_code
from FUN_NET_BATCHES_ALL
where batch_id=l_batch_id;
select batch_id into x_batch_id from FUN_NET_AP_INVS_ALL where invoice_id=p_invoice_id;
select batch_status_code into x_batch_status from FUN_NET_BATCHES_ALL where batch_id=x_batch_id;