RSA 282-A:152 Collection of State Contributions.

I. Whenever used in this subdivision, unless the context shall otherwise require, or unless otherwise specifically provided, the word "contribution" shall include not only the principal of any contribution but also all interest, penalties, fees and other charges added thereto by law; and the term "serving officer" shall include any sheriff, deputy sheriff, constable or other officer authorized to serve any civil process. Delivery of written notice by an authorized representative of the commissioner shall be deemed proper service of process.
II. Upon the failure of any person to pay any contribution due to the state within 30 days from its due date, the commissioner of the department of employment security or his duly authorized representative charged by law with its collection