As a manager of a small testing facility that only performs $10-12$ regulated studies per year, you want to meet GLP requirements for archiving your paper raw data. However, your resources are limited$.$ To provide the maximum degree of control and security, which of the following solutions would be most GLP$-$compliant and enhance the quality system, while being affordable and practical at the same time?

None of these solutions are GLP$-$compliant because an archive must be a separate, dedicated, and locked room within the facility.

Decide to remove filed records from the facility entirely and set up a locked file cabinet in your residence. Have the locks replaced and create a standard operating procedure $($SOP$)$ using a paper index to record the logging in$/$out of the contents.

Decide not to have an internal archive at all, but instead set up a contract with a professional archival service.

Decide to purchase a used, fireproof filing cabinet, have the locks replaced, and create a standard operating procedure $($SOP$)$ using a paper index to record the logging in$/$out of the contents.