Acol Two Club Opening

The use of an opening bid of 2C as the strong, artificial, forcing bid. This bid is forcing for two rounds, apart from the sequence 2C-2D-2NT, which may be passed. The responses are:

2D is the negative response, typically showing no more than seven high card points
2H, 2S, 3C, 3D shows at least a four-card suit and eight or more high card points
2NT shows a balanced hand and eight or more high card points