Volatile locking of HEK RATCHET SEED PARTITION

Can we get some explanation on what condition these HEK RATCHET SEED PARTITION will be locked?

https://github.com/chipsalliance/caliptra-ss/blob/f010781f7dd102dfae5c4a5af1144004b5e3f2a5/docs/CaliptraSSHardwareSpecification.md?plain=1#L566

