The properties also exist on both layers, for example cr properties on object layer are defined as cr_prp object, data for this object is stored in Req_Property database table.
Factory cr_prp
Attributes:
id INTEGER
producer_id LOCAL STRING(20)
persistent_id STRING(30)
sequence INTEGER REQUIRED
label STRING(80) REQUIRED
description STRING(240)
value STRING(240)
required INTEGER REQUIRED
sample STRING(240)
owning_cr SREL -> cr.persistent_id REQUIRED
last_mod_dt DATE
last_mod_by SREL -> cnt.id TENANCY_UNRESTRICTED
validation_rule SREL -> prpval_rule.id
validation_type SREL -> prpval_type.id
value_description STRING(240)