No?
In ISO 8601:2004 it was permitted to omit the “T” character by mutual agreement as in “200704051430”, but this provision was removed in ISO 8601-1:2019. Separating date and time parts with other characters such as space is not allowed in ISO 8601, but allowed in its profile RFC 3339.
Rule? No homo? That’s what she said?
What’re we doing these days?