When in Rome, do as the Romans do

 Who goes for the foreign one subjects, general rule, to the laws of the shelter country. The situation can be different for detached workers. They only have to accept those rules will be more favorable. For example, the license of childbirth in Germany and the Finlândia has a superior duration to the one of the national law The contributions for the social security also are paid in the destination country, excepto if the displacement will be temporary. To the workers detached for a period up to 1 year the Portuguese, similar regimen is applied to the one of the independent ones. If the displacement will be superior and to be enclosed for the system of the country where it works, part in the social security of here the suspension of the Portuguese regimen. The same rule if applies to the taxes: when working in another country, he is subject to the rules that invigorate there. It presents the employment contract next to the fiscal administration and has asked for the contributor number. It does not have to inform the Portuguese treasury department. To the departure, only paid taxes in Portugal if to inhabit during the year, more than 183 days, followed here or not. If to remain in the first months and to absent themselves later, are taxed as nonresident for the incomes gotten here. In the case of the detached workers, general rule, the company deals with the formalities with the treasury department. To prevent the double taxation, it has asked for a certificate of residence in the fiscal authority of the other country, to present in the Portuguese finances. If, exactly thus, he will be taxed in both, it has right to the call credit of tax. It is enough to fill the attached J of the personal taxes.