Nick,
Lien laws vary by State.
You may need to utilize an attorney for your State/County, otherwise I would have expected the clerk to provide you with the form.Keep in mind that there are also specific notice requirements that must be complied with and have the proper terminology (another reason to utilize an attorney).
Here is some info that may help:
Filing A Property Lien in GA Thread on this forum (please do not post to it and reactivate. Simply use as a reference)
Nuts & Bolts of Association Collections Article from an Atlanta law firm
Georgia Mechanics Lien: Step-By-Step Guide To Filing Your Claim the two day notice to the owner about the lien is an interesting requirement
GEORGIA MECHANIC’S LIEN LAW WITH CHANGES MADE FOR 2013 One interesting note from the article [emphasis added]:
The courts consider a mechanic’s lien to be a privilege and not a right. You receive its benefits only if you strictly adhere to the state law requirements.
Bottom line: miss a deadline by one day and you have lost it. Unlike other areas of the law where you can argue equities, find technical exceptions, and lawful excuses, there is no forgiveness here. In this case, knowledge is not only power, it’s a necessity