Service Canada should be the one to answer your query, but you can usually take SAP's Model WTs as examples.
In table view V_596G_A, for sub-application R17, there is a list of "cumulation WTs", and cumulation E should be for Severance Pay.
In our System, in table view V_596I_A, for sub-application R17 and cumulation WT E, there are
3 Model WTs listed:
- M052 Severance pay
- M053 Retir. allowance/eligible
- M054 Retir. allowance/nonelig.
and we have 4 Custom Severance Pay WTs listed;
- one for non-admissible but taxable Retirement Allowance
- one for admissible and taxable Retirement Allowance
- one for admissible and non-taxable Retirement Allowance
- one for non-admissible and non-taxable Retirement Allowance.