[ expdate => sub { shift->paydate_epoch } ], #compatibility
[ signupdate_ymd => sub { $ymd->(shift->signupdate) } ],
[ dundate_ymd => sub { $ymd->(shift->dundate) } ],
[ expdate => sub { shift->paydate_epoch } ], #compatibility
[ signupdate_ymd => sub { $ymd->(shift->signupdate) } ],
[ dundate_ymd => sub { $ymd->(shift->dundate) } ],