It's a transactional relationship. I have had a few candidates pull out after signing for various reasons (some personal issues, some for better offers). If the

It's a transactional relationship. I have had a few candidates pull out after signing for various reasons (some personal issues, some for better offers). If they apply a year later, I would likely still give them an offer. There are no "permanent black marks" on you, at worst it is a note in your candidate CRM in one specific company that won't follow you elsewhere and won't impact you at that company after 12 months.