Ordered, That the committee on Revenue be authorized to sit during a recess of the General Court to make an investigation and study of House documents numbered 3013, 3014, 3017, 3024, 3039, 3048, 3052, 3068, 3071, 3072, 3074, 3075, 3081, 3090, 3091, 3103, 3107, 3117, 3119, 3122, 3123, 3160, 3163, 3168, 3174, 3180, 3181, 3182, 3189, 3195, 3197, 3199, 3201, 3205, 3216, 3217, 3218, 3232, 3247, 3253, 3260, 3270, 3281, 4050, 4080, 4081, 4083 and 4219, relative to tax credits and deductions.