['[Note:', 'In', 'these', 'Guides,', 'the', 'term', '"services"', 'is', 'used', 'to', 'encompass', 'both', '"services', 'and', 'facilities."]', '6,', 'Noed', 'for', 'a', 'plan,', 'If', 'a', 'seller', 'makes', 'payments', 'or', 'furnishes', 'services', 'that', 'come', 'under', 'Section', '2(d)', 'or', '(ec)', 'of', 'the', 'Clayton', 'Act,', 'as', 'amended,', 'he', 'must', 'do', 'it', 'aandiay', 'a', 'plan', 'that', 'meets', 'several', 'requirements.', '1H', 'aalasrewen', 'if', 'there', 'are', 'many', 'competing', 'customers', 'to', 'be', 'considered,', 'or', 'if', 'the', 'plan', 'is', 'at', 'all', 'complex,', 'the', 'seller', 'would', 'be', 'well', 'advised', 'to', 'put', 'his', 'plan', 'in', 'writing.', 'Briefly,', 'the', 'requirements', 'are;', '(a)', 'The', 'payments', 'or', 'services', 'under', 'the', 'plan', 'must', 'be', 'available', 'on', 'proportionally', 'equal', 'terms', 'to', 'all', 'competing', 'customers.', '(See', 'Guide', '7.)', '°', 'Cb)', 'he', 'seller', 'should', 'take', 'action', 'designed', 'to', 'inform', 'all', 'of', 'his', 'competing', 'customers', 'of', 'the', 'existence', 'of', 'and', 'essential', 'features', 'of', 'the', 'promotion', 'plan', 'in', 'ample', 'time', 'for', 'them', 'to', 'take', 'full', 'advantage', 'of', 'it.', '(See', 'Guide', '8.)', '(c)', 'If', 'the', 'basic', 'plan', 'is', 'not', 'functionally', 'available', 'to.(i.e.,', 'suitable', 'for', 'and', 'usuable', 'by)', 'some', 'customers', 'competing', 'in', 'the', 'resale', 'of', 'the', "seller's", 'products', 'of', 'like', 'grade', 'and', 'quality', 'with', 'those', 'being', 'furnished', 'payments', 'or', 'services,', 'alternatives', 'that', 'are', 'functionally', 'available', 'must', 'be', 'offered', 'to', 'such', 'customers.', '(See', 'Guide', '9.)', '49TT9SO0']