In short yes before becoming a full member individuals must have a probationary period of at least three months during which time they must attend and shoot regularly.
Although the probationary period may be waived in certain cases, the individual concerned has no right to insist on this. It is for the club to decide whether or not the probationary period should be waived held or indeed extended for specific persons and specific reasons.
It is the policy of Sudbury and District rifle club that the minimum period of probationary is three months.