the time and form of resignation.  Under the Union's constitution a resignation would be effective, inter alia, only if it was sent by registered mail to the financial secretary of the local union to which the member belonged 'within the ten (10) day period prior to the end of the fiscal year of the Local Union.'  Here the end of the fiscal year of the relevant local year corresponded with the end of the calendar year.  Each of attempted 'resignations' at issue here, having been tendered well in advance of the stipulated time period, failed to comport with the above-cited constitutional provision and, according to the Union, were invalid.  Thus, under the Union's theory, as the resignations were invalid they were correspondingly ineffective toUnion requested the Comany to comply with the terms of the agreement by obliging the employees to tender the delinquent dues and the reinstatement fee which the Union claimed or to discharge them if they refused to do so.  On March 22, the Company notified the Union that it would abide by the Board's determination of the status of the employees.


8
The Board found that the thirty-three employees were not subject to the union-security provision in the 1960 contract affecting employees who 'on the date of (the) Agreement (were) members of the Union,' because they had resigned from the Union prior to the execution of the agreement.  The Board also found that even if the employees were still 'members' because of an infirmity in their attempted resignations,