If any person on whom lawful process shall have been duly served to testify, depose or give evidence concerning any cause or matter pending in any court and to whom shall have been paid or tendered at the time of such service, 50 cents if he is to attend in the county, and 1 dollar, if he is to attend out of the county, shall not appear according to the command of such process, having no lawful or reasonable excuse for such default, he shall:
N.J.S. § 2A:81-15