For the purpose of this chapter the term "seasonal labor" shall include all work performed by any person employed for a period of time greater than one month and where the wages for such work are not to be paid at any fixed interval of time, but at the termination of such employment, and where such person is hired within this state for work to be performed outside the state and the wages earned during said employment are to be paid in this state at the termination of such employment: PROVIDED, That this chapter shall not apply to wages earned by seamen or other persons where the payment of their wages is regulated by federal statutes.