The main purpose of this study is to investigate the implications of working conditions, promotional opportunity, relationship with superiors, pay/salary, employees’ level of freedom,recognition& rewards system and their effect on organizational commitment specifically affective organizational commitment using quantitative research method. In addition, it measures the level and effect of each independent variable on the affective organizational commitment of thepractices in the credit and saving institution understudy. The six factors of affective organizational commitment were modeledby OLS and the data for the study was collected from 182 employees of ACSI from Bahir Dar Zuria branches and the head office and the response rate was 97%.The relationships proposed in the framework were tested using descriptive, Pearson correlation, and the predicting power of independent variables were analyzed using regression analysis. From the result of the analysis it is concluded that except pay/salary the rest of the independent variables i.e. working conditions, promotional opportunity, relationship with superiors, level of freedom and recognition & rewards systemhave significant effect on the dependent variable and positive moderate andstrong relationship exist between explanatory variablesand the dependent variable. The respondents are also agreed based on their response. Therefore, in order to achieve better practices in organizational commitment in the long-run through employee commitment, it is best for the Bahir Dar Zuria branches and the head office of Amhara credit and saving institution to give due emphasis to the constructs of those affective organizational commitment practices and its effect.