is `handler_cov_init` no needed to be called?

https://github.com/bacnet-stack/bacnet-stack/blob/b17a7c608456db31c172754ac87343449cc1a286/src/bacnet/basic/service/h_cov.c#L320

When using COV, there is no place that calls `handler_cov_init`. Is it okay not to do it?

Is this just made for ztset?