result = ''
if record.contract_category_id.code == 'A001':
result = '/'
elif record.contract_category_id.code == 'A002':
result = record.contract_date_start
result = ''
if record.contract_category_id.code == 'A001':
result = '/'
elif record.contract_category_id.code == 'A002':
result = record.contract_date_start