Division 4 The tirage liqueur for sparkling wines and quality sparkling wines bearing a protected designation of origin may contain only:

1. (a)

   sucrose;

2. (b)

   concentrated grape must;

3. (c)

   rectified concentrated grape must;

and:

1. (a)

   grape must;

2. (b)

   partially fermented grape must;

3. (c)

   wine;

suitable for yielding the same sparkling wine or quality sparkling wine bearing a protected designation of origin as that to which the tirage liqueur is added.