14.05. When an employee who is eligible for insurance benefits performs work governed by the industrial jurisdiction outside the territorial jurisdiction of this Decree, or is absent with the authorization of his employer he may, subject to the insurance contract, maintain for a maximum period of 6 months his adhesion to the social security plan, provided that:(a) he notifies the Building Materials Joint Committee in advance;
(b) the employee, solely or jointly with his employer if the latter so agrees, subject to prior agreement, pays to the Building Materials Joint Committee on or around the 15th of each month, equal to the contribution provided for in sections 14.01 and 14.02.