how to get head of the department(HOD) as an approver.

Hi Experts,

Existing scenario:

Created travel(international) request after getting approved by 1st level(line-manager) work item will go for next level(final approver Line exco).

existing code is attached.

To be developed Scenario:

After getting approved by 1st level (line-manager) work item will go 2nd level (Head odf hte department) prior to final approval(line-exco).

Please suggest me how to get Head of the department using bellow logic.

Pick the ORGEH ( Org unit)  as on 31.12.9999 and pass it to HRP1001 with the following field values

RSIGN      A

RELAT      803

And pick the SOBID ID as on 31.12.9999

Now pass the SOBID in table HRP1001 , and pass the data with the following field values

OTYPE – O

OBJID – same as SOBID

RSIGN      B

RELAT      012

Pick the SOBID

Now pass the SOBID to HRP1001 and

RSIGN      A

RELAT      0008

SOBID : PERNR

Pass the PERNR in PA0105  pick the data against SUBTY 0001 .

Thanks in advance

Goutam