pl/sql function syntax help

Hello,
Can anybody tell me why I get an error on the If?

FUNCTION fn_GetExporterRegulateeContact
 RETURN cur_RegulateeContact IS
 v_regulateeContact cur_RegulateeContact;
 v_dossier_co_contact_name  varchar2(60);
 
  BEGIN
 
  SELECT DOSSIER_CO_CONTACT_NAME into v_dossier_co_contact_name
  FROM DOSSIER_COMPANY
  WHERE DOS_HWMD_SYS_ENTERED_YR = v_dossieryear
  AND DOSSIER_IDENTIFIER = v_dossierid
  AND DOSSIER_TYPE_CODE = v_dossiertype
  AND DOSSIER_CO_ROLE_CODE = 'G'
  AND COMPANY_SITE_NUMBER = v_companySiteNumber
  AND company_number = v_companyNumber;
 
  OPEN v_regulateeContact FOR
   
      IF (v_dossier_co_contact_name IS NOT NULL) OR (v_dossier_co_contact_name <> ' ') THEN
               
        SELECT DISTINCT cs.contact_name AS FirstName, 'N/A' AS LastName,
          cs.phone_number AS PhoneNumberText, cs.fax_number as FaxText, cs.email_address AS EmailText
        FROM DOSSIER_COMPANY dc INNER JOIN COMPANY_SITE_CONTACT cs
          ON dc.company_number = cs.company_number
          AND dc.company_site_number = cs.company_site_number
        WHERE cs.contact_name = v_dossier_co_contact_name
          AND dc.dos_hwmd_sys_entered_yr = v_dossierYear
          AND dc.dossier_identifier = v_dossierID
          AND dc.dossier_type_code = v_dossierType
          AND dc.DOSSIER_CO_ROLE_CODE = 'G';    
     
      ELSE
     
        SELECT DISTINCT cs.contact_name AS FirstName, 'N/A' AS LastName,
          cs.phone_number AS PhoneNumberText, cs.fax_number as FaxText, cs.email_address AS EmailText
        FROM DOSSIER_COMPANY dc INNER JOIN COMPANY_SITE_CONTACT cs
          ON dc.company_number = cs.company_number
          AND dc.company_site_number = cs.company_site_number
        WHERE cs.contact_name = v_dossier_co_contact_name
          AND dc.dos_hwmd_sys_entered_yr = v_dossierYear
          AND dc.dossier_identifier = v_dossierID
          AND dc.dossier_type_code = v_dossierType
          AND dc.DOSSIER_CO_ROLE_CODE = 'G';
         
      END IF;
     
      RETURN v_regulateeContact;
       
END fn_GetExporterRegulateeContact;