Final answer:
The applicant is allowed to fill out an affidavit for a person applying for a second class license or higher boiler license.
Step-by-step explanation:
According to the boiler license law enacted in 1982, the correct answer is b) the applicant. The applicant is allowed to fill out an affidavit for a person applying for a second class license or higher boiler license. This means that the person applying for the license must complete the affidavit themselves.